São Paulo to Hong Kong Latency, Ping & RTT | AS203314
São Paulo to Hong Kong ping and RTT: 275.2 ms, 1.87 ms jitter, 176.86 ms fiber floor, and 64.3% efficiency across AS203314. Updated 2026-07-19.
🇧🇷 This page compares the published ping and round-trip time (RTT) from São Paulo (GRU) to 🇭🇰 Hong Kong (HKG) with vacuum and optical-fiber physical limits.
Latency Summary
| Metric | Value |
|---|---|
| RTT | 275.2 ms |
| Jitter | 1.87 ms |
| Packet Loss | 0% |
| Standard Fiber Floor | 176.86 ms |
| Fiber Efficiency | 64.3% |
| Latency Tier | High |
| Source Region | South America |
| Destination Region | Asia Pacific |
Theoretical Fiber Latency
The public physical reference uses the GeoNames city centres for São Paulo (-23.54750, -46.63611) and Hong Kong (22.27832, 114.17469). It does not disclose either facility address.
| Physical Reference | Value |
|---|---|
| WGS-84 geodesic distance | 18,060 km |
| Vacuum RTT floor | 120.48 ms |
| Standard fiber RTT floor () | 176.86 ms |
| Low-latency fiber material floor | 176.15 ms |
| Engineering floor (5% path allowance) | 185.72 ms |
| Research 1.33× mapped-fiber reference | 235.22 ms |
| Estimated unamplified path loss | 3792.6 dB |
| Transparent optical spans / inline amplifiers | 238 / 237 |
| Published RTT inflation over fiber floor | 1.56× |
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.
Stability & Trend
The following estimated indicators summarize route stability for the current publication period and are intended for comparative planning rather than SLA evaluation.
| Stability Indicator | Value |
|---|---|
| Minimum RTT | 273.1 ms |
| Median RTT (p50) | 275 ms |
| 95th percentile RTT (p95) | 278.1 ms |
| Maximum RTT | 279.2 ms |
| Jitter | 1.87 ms |
| Packet loss | 0% |
RTT trend
Estimated route stability across the selected time window.
- Average
- 275.5 ms
- Minimum
- 272.8 ms
- Maximum
- 277.2 ms
- Average loss
- 0.04%
Route Context
- Departure PoP: São Paulo (GRU)
- Destination PoP: Hong Kong (HKG)
- Region overview: South America → Asia Pacific
- Full global matrix: Backbone Latency Matrix
- Physical methodology: Theoretical Fiber Latency
Related City-Pair Routes
- Reverse direction: Hong Kong to São Paulo latency and RTT — 301.5 ms
- São Paulo to Miami latency and RTT — 74 ms
- São Paulo to New York latency and RTT — 122 ms
- São Paulo to Ashburn latency and RTT — 128 ms
- São Paulo to Los Angeles latency and RTT — 131.6 ms
- São Paulo to Seattle latency and RTT — 156.1 ms
About This Measurement
Published RTT reflects best-case backbone path behavior. End-user latency also depends on local access networks, congestion, routing policy, and traffic engineering. Stability indicators are comparative estimates, and none of these values is an SLA.
Data auto-generated on July 19, 2026. Explore the full interactive latency matrix or browse more city-pair routes.