Air Miles Calculator

Distance between Washington D.C. (DCA) and Williamsport, PA (IPT)

Distance from Washington D.C. to Williamsport (Ronald Reagan Washington National Airport – Williamsport Regional Airport) is 165 miles / 266 kilometers / 143 nautical miles.

How far is Williamsport from Washington D.C.?

There are several ways to calculate distances between Washington D.C. and Williamsport. Here are two common methods:

Vincenty's formula (applied above)
  • 164.991 miles
  • 265.528 kilometers
  • 143.374 nautical miles

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

Haversine formula
  • 165.227 miles
  • 265.908 kilometers
  • 143.579 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).

Flight duration

Estimated flight time from Ronald Reagan Washington National Airport (DCA) to Williamsport Regional Airport (IPT) is 48 minutes.

Time difference and current local times

There is no time difference between Washington D.C. and Williamsport.

Time Difference

Washington D.C.
Williamsport

Washington D.C.

 EDT

Williamsport, PA

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 48 kg (105 pounds).

Airport information


A 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

B Williamsport Regional Airport
City: Williamsport, PA
Country: United States Flag of United States
IATA Code: IPT
ICAO Code: KIPT
Coordinates: 41°14′30″N, 76°55′15″W

Washington D.C. to Williamsport flight path

Shortest flight path between Ronald Reagan Washington National Airport (DCA) and Williamsport Regional Airport (IPT).

Frequent Flyer Miles Calculator

Washington D.C. (DCA) → Williamsport (IPT).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
165
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
165

Round trip?