How much latency does server location add?
Short answer
Roughly 1 ms of round-trip time per 100 km of fibre distance, plus routing overhead. Within a country it is typically 5–20 ms, across the Atlantic 70–90 ms, Europe to Singapore 150–180 ms.
Checked October 14, 2026. How we rank
In more detail
The country and city pages on this site list the theoretical minimum round-trip time from each location to major hubs, calculated from great-circle distance.