Map of flight path and driving directions from Charleston to Portland.
Shortest flight path between Charleston International Airport (CHS) and Portland International Jetport (PWM).
How far is Portland from Charleston?
There are several ways to calculate distances between Charleston and Portland. Here are two common methods:Vincenty's formula (applied above)
- 909.329 miles
- 1463.424 kilometers
- 790.186 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
- 909.649 miles
- 1463.939 kilometers
- 790.464 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 Charleston and Portland.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 144 kg (318 pounds).
Frequent Flyer Miles Calculator
Charleston (CHS) → Portland (PWM).