Map of flight path and driving directions from Chicago to Richmond.
Shortest flight path between Chicago O'Hare International Airport (ORD) and Richmond International Airport (RIC).
How far is Richmond from Chicago?
There are several ways to calculate distances between Chicago and Richmond. Here are two common methods:Vincenty's formula (applied above)
- 642.040 miles
- 1033.263 kilometers
- 557.917 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
- 641.035 miles
- 1031.646 kilometers
- 557.044 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 Richmond is 1 hour. Richmond is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 118 kg (260 pounds).
Frequent Flyer Miles Calculator
Chicago (ORD) → Richmond (RIC).