Air Miles Calculator

Distance between Chicago, IL (ORD) and Williamsport, PA (IPT)

Flight distance from Chicago to Williamsport (Chicago O'Hare International Airport – Williamsport Regional Airport) is 571 miles / 919 kilometers / 496 nautical miles. Estimated flight time is 1 hour 34 minutes.

Driving distance from Chicago (ORD) to Williamsport (IPT) is 638 miles / 1027 kilometers and travel time by car is about 11 hours 6 minutes.

Map of flight path and driving directions from Chicago to Williamsport.

Shortest flight path between Chicago O'Hare International Airport (ORD) and Williamsport Regional Airport (IPT).

How far is Williamsport from Chicago?

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

Vincenty's formula (applied above)
  • 570.762 miles
  • 918.553 kilometers
  • 495.979 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
  • 569.299 miles
  • 916.198 kilometers
  • 494.707 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).

Airport information


A Chicago O'Hare International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″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

Time difference and current local times

The time difference between Chicago and Williamsport is 1 hour. Williamsport is 1 hour ahead of Chicago.

Time Difference

Chicago, IL

 CDT

Williamsport, PA

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 109 kg (240 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Williamsport (IPT).

Distance:
571
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
571

Round trip?