How far is Chicago from Boston?
There are several ways to calculate distances between Boston and Chicago. 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).
Estimated flight time from Logan International Airport (BOS) to Chicago Midway International Airport (MDW) is 2 hours 7 minutes.
Time difference and current local times
The time difference between Boston and Chicago is 1 hour. Chicago is 1 hour behind Boston.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 140 kg (309 pounds).
Boston to Chicago flight path
Shortest flight path between Logan International Airport (BOS) and Chicago Midway International Airport (MDW).
Frequent Flyer Miles Calculator
Boston (BOS) → Chicago (MDW).