Canada West (Calgary) · Calgary, Alberta, CA. How long a round trip from your machine to this region takes — and how much of that distance alone demands.
| Cloud | Amazon Web Services |
|---|---|
| Region code | ca-west-1 |
| Region name | Canada West (Calgary) |
| Datacentre city | Calgary, Alberta, CA |
| Coordinates | 51.04, -114.07 |
| Published IPv4 prefixes | 78 |
| Probe endpoint | https://dynamodb.ca-west-1.amazonaws.com/ |
| Probe style | a CORS request whose reply the page can read |
| Verification | Resolved to an address inside this region’s own published range, TCP 443 open. Checked 2026-08-21. |
Coordinates are the real datacentre city rather than the marketing region name, because they feed the distance maths below.
Light in fibre covers about 100 km per millisecond of round trip. These are the great-circle distances to Calgary, Alberta and the latency no network can beat — not a measurement, a limit. What you actually measure is this plus routing.
| From | Distance | Floor |
|---|---|---|
| New York | 3,259 km | 33 ms |
| Los Angeles | 1,919 km | 19 ms |
| São Paulo | 10,579 km | 106 ms |
| London | 7,035 km | 70 ms |
| Frankfurt | 7,535 km | 75 ms |
| Johannesburg | 15,796 km | 158 ms |
| Dubai | 11,473 km | 115 ms |
| Mumbai | 12,189 km | 122 ms |
| Singapore | 13,181 km | 132 ms |
| Tokyo | 7,997 km | 80 ms |
| Sydney | 13,170 km | 132 ms |
The closest regions to Calgary, Alberta on any cloud, with the distance between them and the floor that distance sets.
These figures are geometry. Your own round trip to ca-west-1 depends on your connection and the route it takes — open the instrument, pick AWS, and sweep. Every region is timed from your browser against the endpoint listed above, and the result is split into the part physics demands and the part the network added.
See every AWS region on the AWS latency page.