How far is Washington D.C. from Philadelphia, PA?
The distance between Philadelphia (Philadelphia International Airport) and Washington D.C. (Washington Dulles International Airport) is 135 miles / 217 kilometers / 117 nautical miles.
The driving distance from Philadelphia (PHL) to Washington D.C. (IAD) is 151 miles / 243 kilometers, and travel time by car is about 3 hours 12 minutes.
Philadelphia International Airport – Washington Dulles International Airport
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Distance from Philadelphia to Washington D.C.
There are several ways to calculate the distance from Philadelphia to Washington D.C.. Here are two standard methods:
Vincenty's formula (applied above)- 134.682 miles
- 216.750 kilometers
- 117.036 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- 134.472 miles
- 216.412 kilometers
- 116.853 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 Philadelphia to Washington D.C.?
The estimated flight time from Philadelphia International Airport to Washington Dulles International Airport is 45 minutes.
What is the time difference between Philadelphia and Washington D.C.?
There is no time difference between Philadelphia and Washington D.C..
Flight carbon footprint between Philadelphia International Airport (PHL) and Washington Dulles International Airport (IAD)
On average, flying from Philadelphia to Washington D.C. generates about 45 kg of CO2 per passenger, and 45 kilograms equals 99 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Philadelphia to Washington D.C.
See the map of the shortest flight path between Philadelphia International Airport (PHL) and Washington Dulles International Airport (IAD).
Airport information
| Origin | Philadelphia International Airport |
|---|---|
| City: | Philadelphia, PA |
| Country: | United States  |
| IATA Code: | PHL |
| ICAO Code: | KPHL |
| Coordinates: | 39°52′18″N, 75°14′27″W |
| Destination | Washington Dulles International Airport |
|---|---|
| City: | Washington D.C. |
| Country: | United States |
| IATA Code: | IAD |
| ICAO Code: | KIAD |
| Coordinates: | 38°56′40″N, 77°27′20″W |
Airlines flying from Philadelphia (PHL) to Washington D.C. (IAD)
| United Airlines |