Air Miles Calculator

Distance between Georgetown (GCM) and Washington D.C. (IAD)

Flight distance from Georgetown to Washington D.C. (Owen Roberts International Airport – Washington Dulles International Airport) is 1374 miles / 2210 kilometers / 1194 nautical miles. Estimated flight time is 3 hours 6 minutes.

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).

Airport information


A Owen Roberts International Airport
City: Georgetown
Country: Cayman Islands Flag of Cayman Islands
IATA Code: GCM
ICAO Code: MWCR
Coordinates: 19°17′34″N, 81°21′27″W

B Washington Dulles International Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: IAD
ICAO Code: KIAD
Coordinates: 38°56′40″N, 77°27′20″W

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.

Time Difference

Georgetown

 EST

Washington D.C.

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 172 kg (378 pounds).

Frequent Flyer Miles Calculator

Georgetown (GCM) → Washington D.C. (IAD).

Distance:
1374
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1374

Round trip?