Map of flight path and driving directions from Chicago to Baltimore.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Baltimore–Washington International Airport (BWI).
How far is Baltimore from Chicago?
There are several ways to calculate distances between Chicago and Baltimore. Here are two common 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 – the shortest distance between two points).
|A||Chicago O'Hare International Airport|
|B||Baltimore–Washington International Airport|
Time difference and current local times
The time difference between Chicago and Baltimore is 1 hour. Baltimore is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 115 kg (254 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Baltimore (BWI).