How far is Saint John from Ontario, CA?
The distance between Ontario (Ontario International Airport) and Saint John (Saint John Airport) is 2812 miles / 4525 kilometers / 2444 nautical miles.
The driving distance from Ontario (ONT) to Saint John (YSJ) is 3366 miles / 5417 kilometers, and travel time by car is about 61 hours 6 minutes.
Ontario International Airport – Saint John Airport
Search flights
Distance from Ontario to Saint John
There are several ways to calculate the distance from Ontario to Saint John. Here are two standard methods:
Vincenty's formula (applied above)- 2812.015 miles
- 4525.499 kilometers
- 2443.574 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- 2805.916 miles
- 4515.684 kilometers
- 2438.274 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 Ontario to Saint John?
The estimated flight time from Ontario International Airport to Saint John Airport is 5 hours and 49 minutes.
What is the time difference between Ontario and Saint John?
Flight carbon footprint between Ontario International Airport (ONT) and Saint John Airport (YSJ)
On average, flying from Ontario to Saint John generates about 312 kg of CO2 per passenger, and 312 kilograms equals 688 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Ontario to Saint John
See the map of the shortest flight path between Ontario International Airport (ONT) and Saint John Airport (YSJ).
Airport information
| Origin | Ontario International Airport |
|---|---|
| City: | Ontario, CA |
| Country: | United States  |
| IATA Code: | ONT |
| ICAO Code: | KONT |
| Coordinates: | 34°3′21″N, 117°36′3″W |
| Destination | Saint John Airport |
|---|---|
| City: | Saint John |
| Country: | Canada  |
| IATA Code: | YSJ |
| ICAO Code: | CYSJ |
| Coordinates: | 45°18′57″N, 65°53′25″W |