Distance from Exeter to Portsmouth

The straight-line (great-circle) distance between Exeter and Portsmouth is 172.6 kilometres, roughly 25 min by plane at 850 km/h. By road it is about 207 km via M27 and A35, which takes around 2 h 50 min of driving without stops. The map below shows both routes, and the calculator recomputes them for any other pair of places.

Straight line172.6 km
By road207 km
Driving time2 h 50 min
Flight time25 min

About this page

This page is for anyone planning a trip from Exeter to Portsmouth, 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 Exeter to Portsmouth?
In a straight line it is 172.6 km. By road it is about 207 km, roughly 2 h 50 min of driving.
How long is the flight from Exeter to Portsmouth?
Roughly 25 min: the distance at a cruising speed of 850 km/h plus about 13 minutes for take-off and landing.
How many kilometres by road between Exeter and Portsmouth?
About 207 km on the fastest route via M27 and A35, which takes around 2 h 50 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.