Great-circle distance between two points, straight over the surface of the sphere — no roads, no flight paths. Enter decimal degrees, or paste a pair into the URL, e.g. ?lat1=51.5074&lon1=-0.1278&lat2=48.8566&lon2=2.3522 .
Point 1
Point 2
Examples
Distance
Kilometres
343.557 km
Miles
213.476 mi
Nautical miles
185.506 nm
Initial bearing
148.12° SSE
The heading at Point 1. It shifts along a great circle, so it is not the heading you hold for the whole route.
Details
| Metres | 343,557 |
| Point 1 (DMS) | 51°30'26.6"N 0°7'40.1"W |
| Point 2 (DMS) | 48°51'23.8"N 2°21'7.9"E |
Computed on a sphere of radius 6371.0088 km. Against the WGS-84 ellipsoid the error is up to about 0.5%.