Air Miles Calculator

Distance between Washington D.C. (IAD) and San Juan (SIG)

Flight distance from Washington D.C. to San Juan (Washington Dulles International Airport – Fernando Luis Ribas Dominicci Airport) is 1567 miles / 2522 kilometers / 1362 nautical miles. Estimated flight time is 3 hours 28 minutes.

Map of flight path from Washington D.C. to San Juan.

Shortest flight path between Washington Dulles International Airport (IAD) and Fernando Luis Ribas Dominicci Airport (SIG).

How far is San Juan from Washington D.C.?

There are several ways to calculate distances between Washington D.C. and San Juan. Here are two common methods:

Vincenty's formula (applied above)
  • 1567.320 miles
  • 2522.358 kilometers
  • 1361.964 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
  • 1570.863 miles
  • 2528.058 kilometers
  • 1365.042 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 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

B Fernando Luis Ribas Dominicci Airport
City: San Juan
Country: Puerto Rico Flag of Puerto Rico
IATA Code: SIG
ICAO Code: TJIG
Coordinates: 18°27′24″N, 66°5′53″W

Time difference and current local times

There is no time difference between Washington D.C. and San Juan.

Time Difference

Washington D.C.

 EDT

San Juan

 AST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 184 kg (405 pounds).

Frequent Flyer Miles Calculator

Washington D.C. (IAD) → San Juan (SIG).

Distance:
1567
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1567

Round trip?