Air Miles Calculator logo

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

The distance between Washington D.C. (Ronald Reagan Washington National Airport) and San Juan (Fernando Luis Ribas Dominicci Airport) is 1551 miles / 2496 kilometers / 1348 nautical miles.

Ronald Reagan Washington National Airport – Fernando Luis Ribas Dominicci Airport

Distance arrow
1551
Miles
Distance arrow
2496
Kilometers
Distance arrow
1348
Nautical miles

Search flights

Distance from Washington D.C. to San Juan

There are several ways to calculate the distance from Washington D.C. to San Juan. Here are two standard methods:

Vincenty's formula (applied above)
  • 1550.937 miles
  • 2495.991 kilometers
  • 1347.727 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 1554.529 miles
  • 2501.772 kilometers
  • 1350.849 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).

How long does it take to fly from Washington D.C. to San Juan?

The estimated flight time from Ronald Reagan Washington National Airport to Fernando Luis Ribas Dominicci Airport is 3 hours and 26 minutes.

Flight carbon footprint between Ronald Reagan Washington National Airport (DCA) and Fernando Luis Ribas Dominicci Airport (SIG)

On average, flying from Washington D.C. to San Juan generates about 183 kg of CO2 per passenger, and 183 kilograms equals 403 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

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

See the map of the shortest flight path between Ronald Reagan Washington National Airport (DCA) and Fernando Luis Ribas Dominicci Airport (SIG).

Airport information

Origin Ronald Reagan Washington National Airport
City: Washington D.C.
Country: United States Flag of United States
IATA Code: DCA
ICAO Code: KDCA
Coordinates: 38°51′7″N, 77°2′15″W
Destination 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