China (Ningxia) · Yinchuan, Ningxia, CN. 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 | cn-northwest-1 |
| Region name | China (Ningxia) |
| Datacentre city | Yinchuan, Ningxia, CN |
| Coordinates | 38.49, 106.23 |
| Published IPv4 prefixes | 124 |
| Probe endpoint | https://dynamodb.cn-northwest-1.amazonaws.com.cn/ |
| 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 Yinchuan, Ningxia 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 | 11,208 km | 112 ms |
| Los Angeles | 10,737 km | 107 ms |
| São Paulo | 16,960 km | 170 ms |
| London | 7,730 km | 77 ms |
| Frankfurt | 7,305 km | 73 ms |
| Johannesburg | 10,844 km | 108 ms |
| Dubai | 4,968 km | 50 ms |
| Mumbai | 3,867 km | 39 ms |
| Singapore | 4,137 km | 41 ms |
| Tokyo | 2,965 km | 30 ms |
| Sydney | 9,287 km | 93 ms |
The closest regions to Yinchuan, Ningxia on any cloud, with the distance between them and the floor that distance sets.
These figures are geometry. Your own round trip to cn-northwest-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.