Map of flight path from Georgetown to Washington D.C..
Shortest flight path between Owen Roberts International Airport (GCM) and Washington Dulles International Airport (IAD).
How far is Washington D.C. from Georgetown?
There are several ways to calculate distances between Georgetown and Washington D.C.. Here are two common methods:Vincenty's formula (applied above)
- 1373.538 miles
- 2210.496 kilometers
- 1193.572 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
- 1377.693 miles
- 2217.182 kilometers
- 1197.183 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
The time difference between Georgetown and Washington D.C. is 1 hour. Washington D.C. is 1 hour ahead of Georgetown.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 172 kg (378 pounds).
Frequent Flyer Miles Calculator
Georgetown (GCM) → Washington D.C. (IAD).