Air Miles Calculator

Distance between Chicago, IL (MDW) and Boston, MA (BOS)

Flight distance from Chicago to Boston (Chicago Midway International Airport – Logan International Airport) is 861 miles / 1385 kilometers / 748 nautical miles. Estimated flight time is 2 hours 7 minutes.

Driving distance from Chicago (MDW) to Boston (BOS) is 994 miles / 1600 kilometers and travel time by car is about 17 hours 34 minutes.

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).

Airport information


A Chicago Midway International Airport
City: Chicago, IL
Country: United States Flag of United States
IATA Code: MDW
ICAO Code: KMDW
Coordinates: 41°47′9″N, 87°45′8″W

B Logan International Airport
City: Boston, MA
Country: United States Flag of United States
IATA Code: BOS
ICAO Code: KBOS
Coordinates: 42°21′51″N, 71°0′18″W

Time difference and current local times

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

Time Difference

Chicago, IL

 CST

Boston, MA

 EST

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 140 kg (309 pounds).

Frequent Flyer Miles Calculator

Chicago (MDW) → Boston (BOS).

Distance:
861
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
861

Round trip?