# 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
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
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.

CDT

EDT

## 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?