Map of flight path and driving directions from Chicago to Boston.
Shortest flight path between Chicago Midway International Airport (MDW) and Logan International Airport (BOS).
How far is Boston from Chicago?
There are several ways to calculate distances between Chicago and Boston. Here are two common methods:Vincenty's formula (applied above)
- 860.680 miles
- 1385.130 kilometers
- 747.910 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
- 858.432 miles
- 1381.512 kilometers
- 745.957 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).
Time difference and current local times
The time difference between Chicago and Boston is 1 hour. Boston is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 140 kg (309 pounds).
Frequent Flyer Miles Calculator
Chicago (MDW) → Boston (BOS).