# Frankfurt, Germany → Ashburn, USA RTT

🇩🇪 **Frankfurt, Germany (FRA)** → 🇺🇸 **Ashburn, USA (IAD)**

Measurement round: `2026-08-16T04:07:28Z`.

The 2026-08-16T04:07:28Z ICMP echo round from Frankfurt, Germany to Ashburn, USA recorded an average RTT of 80.7 ms across 50 samples, with a minimum of 79.19 ms, a maximum of 87.49 ms, and zero packet loss.

At 6,566 km, this is a long-haul transatlantic pair, and the measured average is only 1.26 times the theoretical fiber floor of 64.3 ms - a strong efficiency result at 79.7%. The 1.42 ms standard deviation and 1.11 ms jitter keep the sample tightly grouped despite the distance.

The same round covers 19 routes from this network, with Frankfurt-Ashburn ranking eighth. Its variability is about 1.8% of the average RTT, well below the network's median variability of 3.28%, making this an efficient and comparatively stable long-distance route.

## Latency Summary

| Metric               | Value                                                        |
| -------------------- | ------------------------------------------------------------ |
| RTT                  | **80.7 ms**                                                  |
| Jitter               | **1.11 ms**                                                  |
| Packet Loss          | **0%**                                                       |
| Standard Fiber Floor | **64.3 ms**                                                  |
| Fiber Efficiency     | **79.7%**                                                    |
| Latency Tier         | Good                                                         |
| Source Region        | [Europe](/docs/network/latency/regions/europe)               |
| Destination Region   | [North America](/docs/network/latency/regions/north-america) |

## Ping Measurement Series

The chart below renders the 50-sample ICMP echo measurement round for this route; an accessible table of every sample is included with the chart.

## Download This Route's Data

This route's measurement round is published as open data (CC BY 4.0) in CSV, JSON, and YAML. See [About This Measurement](#about-this-measurement) for citation guidance.

## Theoretical Fiber Latency

The public physical reference uses the GeoNames city centres for [Frankfurt am Main](https://www.geonames.org/2925533) (50.11552, 8.68417) and [Ashburn](https://www.geonames.org/4744870) (39.04372, -77.48749). It does not disclose either facility address.

| Physical Reference                            | Value         |
| --------------------------------------------- | ------------- |
| WGS-84 geodesic distance                      | **6,566 km**  |
| Vacuum RTT floor                              | **43.8 ms**   |
| Standard fiber RTT floor ($n_g=1.4679$)       | **64.3 ms**   |
| Low-latency fiber material floor              | **64.04 ms**  |
| Engineering floor (5% path allowance)         | **67.52 ms**  |
| Research 1.33× mapped-fiber reference         | **85.52 ms**  |
| Estimated unamplified path loss               | **1378.9 dB** |
| Transparent optical spans / inline amplifiers | **87 / 86**   |
| Published RTT inflation over fiber floor      | **1.26×**     |

Attenuation is used to estimate the number of 80 km optical spans; it does not directly slow light. See the full [theoretical fiber latency, GeoNames, attenuation, and amplifier methodology](/docs/network/latency/theoretical-fiber-latency).

## Stability & Trend

The current measurement round (2026-08-16T04:07:28Z) collected 50 ICMP echo samples on this route. Distribution statistics from that round:

| Round Statistic    | Value        |
| ------------------ | ------------ |
| Minimum RTT        | **79.19 ms** |
| Average RTT        | **80.7 ms**  |
| Maximum RTT        | **87.49 ms** |
| Standard deviation | **1.42 ms**  |
| Stdev / average    | **1.8%**     |

## Route Context

* Departure PoP: [Frankfurt (FRA)](/docs/network/latency/fra-frankfurt)
* Destination PoP: [Ashburn (IAD)](/docs/network/latency/iad-ashburn)
* Region overview: [Europe](/docs/network/latency/regions/europe) → [North America](/docs/network/latency/regions/north-america)
* Corridor overview: [Europe to North America](/docs/network/latency/regions/europe-to-north-america)
* Full global matrix: [Backbone Latency Matrix](/docs/network/latency)
* Physical methodology: [Theoretical Fiber Latency](/docs/network/latency/theoretical-fiber-latency)

## Related City-Pair Routes

**Reverse direction**

* [Ashburn to Frankfurt latency and RTT](/docs/network/latency/pairs/iad-fra-rtt) — 81.2 ms

**Fastest routes departing Frankfurt (FRA)**

* [Frankfurt to Amsterdam latency and RTT](/docs/network/latency/pairs/fra-ams-rtt) — 5.9 ms
* [Frankfurt to Berlin latency and RTT](/docs/network/latency/pairs/fra-ber-rtt) — 6.1 ms
* [Frankfurt to Paris latency and RTT](/docs/network/latency/pairs/fra-par-rtt) — 7.6 ms
* [Frankfurt to London latency and RTT](/docs/network/latency/pairs/fra-lon-rtt) — 12.9 ms
* [Frankfurt to Marseille latency and RTT](/docs/network/latency/pairs/fra-mrs-rtt) — 16.4 ms

**Fastest routes arriving at Ashburn (IAD)**

* [New York to Ashburn latency and RTT](/docs/network/latency/pairs/nyc-iad-rtt) — 6 ms
* [Miami to Ashburn latency and RTT](/docs/network/latency/pairs/mia-iad-rtt) — 27.3 ms
* [Los Angeles to Ashburn latency and RTT](/docs/network/latency/pairs/lax-iad-rtt) — 60.4 ms
* [Seattle to Ashburn latency and RTT](/docs/network/latency/pairs/sea-iad-rtt) — 61.5 ms
* [London to Ashburn latency and RTT](/docs/network/latency/pairs/lon-iad-rtt) — 71 ms

**Same corridor (Europe → North America)**

* [London to New York latency and RTT](/docs/network/latency/pairs/lon-nyc-rtt) — 63.8 ms
* [Amsterdam to New York latency and RTT](/docs/network/latency/pairs/ams-nyc-rtt) — 68.6 ms
* [Paris to New York latency and RTT](/docs/network/latency/pairs/par-nyc-rtt) — 68.9 ms

## About This Measurement

Published RTT reflects best-case backbone path behavior measured with ICMP echo probes between PoPs. End-user latency also depends on local access networks, congestion, routing policy, and traffic engineering. None of these values is an SLA.

The measurement round behind this page is published as open data under **CC BY 4.0** in the [Hats Network latency dataset](/opendata/latency/). Per-pair files are available at `/opendata/latency/latest/pairs/fra-iad.pings.{csv,json,yaml}`. When citing, include the route, the measurement round timestamp, and the dataset version — for example: "Hats Network latency dataset, Frankfurt → Ashburn round 2026-08-16T04:07:28Z, CC BY 4.0".

***

*Data auto-generated on August 16, 2026. Explore the [full interactive latency matrix](/docs/network/latency) or browse more [city-pair routes](/docs/network/latency/pairs).*

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## License and attribution

- **Canonical source:** [View the human-readable HTML page](https://hatsnet.io/docs/network/latency/pairs/fra-iad-rtt).
- **Original documentation:** © Hats Network Inc., licensed under [CC BY-SA 4.0](https://creativecommons.org/licenses/by-sa/4.0/).
- **Public latency data:** © Hats Network Inc., licensed under [CC BY 4.0](https://creativecommons.org/licenses/by/4.0/).
- **Full terms:** [Content and Data License](https://hatsnet.io/docs/legal/content-and-data-license) — includes attribution requirements, third-party material, trademarks, source code and other exclusions.