How far is Raleigh from Chicago?
There are several ways to calculate distances between Chicago and Raleigh. Here are two common methods:Vincenty's formula (applied above)
- 646.198 miles
- 1039.955 kilometers
- 561.531 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
- 645.739 miles
- 1039.216 kilometers
- 561.132 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 O'Hare International Airport (ORD) to Raleigh–Durham International Airport (RDU) is 1 hour 43 minutes.
Time difference and current local times
The time difference between Chicago and Raleigh is 1 hour. Raleigh is 1 hour ahead of Chicago.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 107 kg (236 pounds).
Chicago to Raleigh flight map.
Frequent Flyer Miles Calculator
Chicago (ORD) → Raleigh (RDU).