How far is Williamsport, PA, from Washington D.C.?
The distance between Washington D.C. (Washington Dulles International Airport) and Williamsport (Williamsport Regional Airport) is 161 miles / 259 kilometers / 140 nautical miles.
The driving distance from Washington D.C. (IAD) to Williamsport (IPT) is 204 miles / 329 kilometers, and travel time by car is about 4 hours 43 minutes.
Washington Dulles International Airport – Williamsport Regional Airport
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Distance from Washington D.C. to Williamsport
There are several ways to calculate the distance from Washington D.C. to Williamsport. 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 Washington D.C. to Williamsport?
The estimated flight time from Washington Dulles International Airport to Williamsport Regional Airport is 48 minutes.
What is the time difference between Washington D.C. and Williamsport?
There is no time difference between Washington D.C. and Williamsport.
Flight carbon footprint between Washington Dulles International Airport (IAD) and Williamsport Regional Airport (IPT)
On average, flying from Washington D.C. to Williamsport 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 Washington D.C. to Williamsport
See the map of the shortest flight path between Washington Dulles International Airport (IAD) and Williamsport Regional Airport (IPT).
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 | Williamsport Regional Airport |
|---|---|
| City: | Williamsport, PA |
| Country: | United States |
| IATA Code: | IPT |
| ICAO Code: | KIPT |
| Coordinates: | 41°14′30″N, 76°55′15″W |