Geographic distance calculation between two coordinates using haversine formula....
https://api.cn402.com/geo/distanceOverview
Geographic distance calculation between two coordinates using haversine formula. Computes great circle distance from latitude longitude pairs. Returns distance in kilometers, miles, and meters. For mapping, navigation, GPS coordinate distance, location based queries, Chinese maps, geo analytics, route planning, proximity search.
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| Time | Status | HTTP | Latency | Error |
|---|---|---|---|---|
| 2026-09-01 11:52:13 | healthy | 402 | 817ms | |
| 2026-08-31 23:36:15 | healthy | 402 | 438ms | |
| 2026-08-31 18:29:21 | healthy | 402 | 432ms | |
| 2026-08-31 06:20:57 | healthy | 402 | 464ms | |
| 2026-08-31 02:54:48 | healthy | 402 | 433ms | |
| 2026-08-30 20:05:37 | healthy | 402 | 1033ms | |
| 2026-08-30 15:29:50 | healthy | 402 | 659ms | |
| 2026-08-30 00:45:39 | healthy | 402 | 435ms | |
| 2026-08-29 22:59:39 | healthy | 402 | 430ms | |
| 2026-08-29 15:20:47 | healthy | 402 | 660ms |