How far is Washington D.C. from Williamsport, PA?
The distance between Williamsport (Williamsport Regional Airport) and Washington D.C. (Washington Dulles International Airport) is 161 miles / 259 kilometers / 140 nautical miles.
The driving distance from Williamsport (IPT) to Washington D.C. (IAD) is 206 miles / 331 kilometers, and travel time by car is about 4 hours 44 minutes.
Williamsport Regional Airport – Washington Dulles International Airport
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Distance from Williamsport to Washington D.C.
There are several ways to calculate the distance from Williamsport to Washington D.C.. Here are two standard methods:
Vincenty's formula (applied above)- 161.013 miles
- 259.126 kilometers
- 139.917 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- 161.224 miles
- 259.464 kilometers
- 140.100 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 Williamsport to Washington D.C.?
The estimated flight time from Williamsport Regional Airport to Washington Dulles International Airport is 48 minutes.
What is the time difference between Williamsport and Washington D.C.?
There is no time difference between Williamsport and Washington D.C..
Flight carbon footprint between Williamsport Regional Airport (IPT) and Washington Dulles International Airport (IAD)
On average, flying from Williamsport to Washington D.C. generates about 49 kg of CO2 per passenger, and 49 kilograms equals 107 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Williamsport to Washington D.C.
See the map of the shortest flight path between Williamsport Regional Airport (IPT) and Washington Dulles International Airport (IAD).
Airport information
| Origin | Williamsport Regional Airport |
|---|---|
| City: | Williamsport, PA |
| Country: | United States  |
| IATA Code: | IPT |
| ICAO Code: | KIPT |
| Coordinates: | 41°14′30″N, 76°55′15″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 |