Air Miles Calculator

Distance between Chicago, IL (ORD) and Philadelphia, PA (PHL)

Flight distance from Chicago to Philadelphia (Chicago O'Hare International Airport – Philadelphia International Airport) is 678 miles / 1091 kilometers / 589 nautical miles. Estimated flight time is 1 hour 47 minutes.

Driving distance from Chicago (ORD) to Philadelphia (PHL) is 774 miles / 1246 kilometers and travel time by car is about 13 hours 36 minutes.

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

Shortest flight path between Chicago O'Hare International Airport (ORD) and Philadelphia International Airport (PHL).

How far is Philadelphia from Chicago?

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

Vincenty's formula (applied above)
  • 677.865 miles
  • 1090.918 kilometers
  • 589.048 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
  • 676.254 miles
  • 1088.325 kilometers
  • 587.649 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 Philadelphia International Airport
City: Philadelphia, PA
Country: United States Flag of United States
IATA Code: PHL
ICAO Code: KPHL
Coordinates: 39°52′18″N, 75°14′27″W

Time difference and current local times

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

Time Difference

Chicago, IL

 CDT

Philadelphia, PA

 EDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 122 kg (269 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Philadelphia (PHL).

Distance:
678
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
678

Round trip?