How far is Ontario, CA, from Columbia, MO?
The distance between Columbia (Columbia Regional Airport) and Ontario (Ontario International Airport) is 1447 miles / 2328 kilometers / 1257 nautical miles.
The driving distance from Columbia (COU) to Ontario (ONT) is 1718 miles / 2765 kilometers, and travel time by car is about 29 hours 45 minutes.
Columbia Regional Airport – Ontario International Airport
Search flights
Distance from Columbia to Ontario
There are several ways to calculate the distance from Columbia to Ontario. Here are two standard methods:
Vincenty's formula (applied above)- 1446.658 miles
- 2328.171 kilometers
- 1257.112 nautical miles
Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.
Haversine formula- 1443.661 miles
- 2323.346 kilometers
- 1254.507 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).
How long does it take to fly from Columbia to Ontario?
The estimated flight time from Columbia Regional Airport to Ontario International Airport is 3 hours and 14 minutes.
What is the time difference between Columbia and Ontario?
The time difference between Columbia and Ontario is 2 hours. Ontario is 2 hours behind Columbia.
Flight carbon footprint between Columbia Regional Airport (COU) and Ontario International Airport (ONT)
On average, flying from Columbia to Ontario generates about 176 kg of CO2 per passenger, and 176 kilograms equals 388 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Columbia to Ontario
See the map of the shortest flight path between Columbia Regional Airport (COU) and Ontario International Airport (ONT).
Airport information
| Origin | Columbia Regional Airport |
|---|---|
| City: | Columbia, MO |
| Country: | United States  |
| IATA Code: | COU |
| ICAO Code: | KCOU |
| Coordinates: | 38°49′5″N, 92°13′10″W |
| Destination | Ontario International Airport |
|---|---|
| City: | Ontario, CA |
| Country: | United States |
| IATA Code: | ONT |
| ICAO Code: | KONT |
| Coordinates: | 34°3′21″N, 117°36′3″W |