Map of flight path and driving directions from Richmond to Portsmouth.
Shortest flight path between Richmond International Airport (RIC) and Portsmouth International Airport at Pease (PSM).
How far is Portsmouth from Richmond?
There are several ways to calculate distances between Richmond and Portsmouth. Here are two common methods:Vincenty's formula (applied above)
- 515.079 miles
- 828.939 kilometers
- 447.591 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.Haversine formula
- 514.906 miles
- 828.661 kilometers
- 447.441 nautical miles
The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).
Time difference and current local times
There is no time difference between Richmond and Portsmouth.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 101 kg (222 pounds).
Frequent Flyer Miles Calculator
Richmond (RIC) → Portsmouth (PSM).