How far is Philadelphia, PA, from Washington D.C.?
The distance between Washington D.C. (Washington Dulles International Airport) and Philadelphia (Philadelphia International Airport) is 135 miles / 217 kilometers / 117 nautical miles.
The driving distance from Washington D.C. (IAD) to Philadelphia (PHL) is 151 miles / 243 kilometers, and travel time by car is about 3 hours 11 minutes.
Washington Dulles International Airport – Philadelphia International Airport
Search flights
Distance from Washington D.C. to Philadelphia
There are several ways to calculate the distance from Washington D.C. to Philadelphia. 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 Washington D.C. to Philadelphia?
The estimated flight time from Washington Dulles International Airport to Philadelphia International Airport is 45 minutes.
What is the time difference between Washington D.C. and Philadelphia?
There is no time difference between Washington D.C. and Philadelphia.
Flight carbon footprint between Washington Dulles International Airport (IAD) and Philadelphia International Airport (PHL)
On average, flying from Washington D.C. to Philadelphia 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 Washington D.C. to Philadelphia
See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Philadelphia International Airport (PHL).
Airport information
| Origin | 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 |
| Destination | Philadelphia International Airport |
|---|---|
| City: | Philadelphia, PA |
| Country: | United States |
| IATA Code: | PHL |
| ICAO Code: | KPHL |
| Coordinates: | 39°52′18″N, 75°14′27″W |
Airlines flying from Washington D.C. (IAD) to Philadelphia (PHL)
| United Airlines |