Map of flight path and driving directions from Watertown to Ontario.
Shortest flight path between Watertown International Airport (ART) and Ontario International Airport (ONT).
How far is Ontario from Watertown?
There are several ways to calculate distances between Watertown and Ontario. Here are two common methods:Vincenty's formula (applied above)
- 2312.735 miles
- 3721.986 kilometers
- 2009.712 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
- 2307.921 miles
- 3714.238 kilometers
- 2005.528 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 Watertown and Ontario is 3 hours. Ontario is 3 hours behind Watertown.
Carbon dioxide emissions
Estimated CO2 emissions per passenger is 253 kg (559 pounds).
Frequent Flyer Miles Calculator
Watertown (ART) → Ontario (ONT).