Map of flight path and driving directions from Richmond to Ontario.
Shortest flight path between Richmond International Airport (RIC) and Ontario International Airport (ONT).
How far is Ontario from Richmond?
There are several ways to calculate distances between Richmond and Ontario. Here are two common methods:Vincenty's formula (applied above)
- 2258.238 miles
- 3634.282 kilometers
- 1962.355 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
- 2253.246 miles
- 3626.248 kilometers
- 1958.017 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 Richmond and Ontario is 3 hours. Ontario is 3 hours behind Richmond.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 247 kg (545 pounds).
Frequent Flyer Miles Calculator
Richmond (RIC) → Ontario (ONT).