Air Miles Calculator

Distance between Baltimore, MD (BWI) and Chicago, IL (ORD)

Distance from Baltimore–Washington International Airport to O'Hare International Airport is 621 miles / 1000 kilometers / 540 nautical miles.

Calculations with different methods

Vincenty's formula (applied above)
  • 621.451 miles
  • 1000.129 kilometers
  • 540.026 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
  • 620.111 miles
  • 997.972 kilometers
  • 538.862 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance).

Flight duration

Estimated flight time from Baltimore–Washington International Airport (BWI) to O'Hare International Airport (ORD) is 1 hour 40 minutes.

Time difference and current local times

The time difference between Baltimore and Chicago is 1 hour. Chicago is 1 hour behind Baltimore.

Time Difference

Baltimore
Chicago

Baltimore, MD

 EST

Chicago, IL

 CST

Airport information


A Baltimore–Washington International Airport
City: Baltimore, MD
Country: United States Flag of United States
IATA Code: BWI
ICAO Code: KBWI
Coordinates: 39°10′31″N, 76°40′5″W

B 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

Map

Flight map from Baltimore to Chicago.

Frequent Flyer Miles Calculator

Baltimore (BWI) → Chicago (ORD).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
621
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
621

Round trip?