Distance from London to Plymouth

The straight-line (great-circle) distance between London and Plymouth is 308.5 kilometres, roughly 45 min by plane at 850 km/h. By road it is about 348 km via A303 and Devon Expressway, which takes around 4 h 25 min of driving without stops. The map below shows both routes, and the calculator recomputes them for any other pair of places.

Straight line308.5 km
By road348 km
Driving time4 h 25 min
Flight time45 min

About this page

This page is for anyone planning a trip from London to Plymouth, in the United Kingdom. The straight-line distance comes from the haversine formula (great-circle distance). The road distance and driving time are the fastest car route on the OpenStreetMap road network, computed with OSRM; the actual time depends on traffic, stops and the roads you choose. Tap "Calculate distance" in the calculator to redraw the route live.

Frequently asked questions

What is the distance from London to Plymouth?
In a straight line it is 308.5 km. By road it is about 348 km, roughly 4 h 25 min of driving.
How long is the flight from London to Plymouth?
Roughly 45 min: the distance at a cruising speed of 850 km/h plus about 23 minutes for take-off and landing.
How many kilometres by road between London and Plymouth?
About 348 km on the fastest route via A303 and Devon Expressway, which takes around 4 h 25 min by car. Tap "Calculate distance" in the calculator to see the route on the map.
How is this distance calculated?
The straight-line distance uses the haversine formula, which gives the shortest path between two points on the Earth's surface.