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

Flight distance from Chicago to Boston (Chicago O'Hare International Airport – Logan International Airport) is 867 miles / 1395 kilometers / 753 nautical miles. Estimated flight time is 2 hours 8 minutes.

Driving distance from Chicago (ORD) to Boston (BOS) is 1012 miles / 1628 kilometers and travel time by car is about 17 hours 54 minutes.

Map of flight path and driving directions from Chicago to Boston.

Shortest flight path between Chicago O'Hare International Airport (ORD) 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)
• 866.650 miles
• 1394.737 kilometers
• 753.098 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
• 864.377 miles
• 1391.080 kilometers
• 751.123 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 O'Hare International Airport
City: Chicago, IL
Country: United States
IATA Code: ORD
ICAO Code: KORD
Coordinates: 41°58′42″N, 87°54′17″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 141 kg (310 pounds).

Frequent Flyer Miles Calculator

Chicago (ORD) → Boston (BOS).

Distance:
867
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
867

Round trip?