Air Miles Calculator

Distance between Watertown, NY (ART) and Ontario, CA (ONT)

Flight distance from Watertown to Ontario (Watertown International Airport – Ontario International Airport) is 2313 miles / 3722 kilometers / 2010 nautical miles. Estimated flight time is 4 hours 52 minutes.

Driving distance from Watertown (ART) to Ontario (ONT) is 2706 miles / 4355 kilometers and travel time by car is about 45 hours 26 minutes.

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).

Airport information


A Watertown International Airport
City: Watertown, NY
Country: United States Flag of United States
IATA Code: ART
ICAO Code: KART
Coordinates: 43°59′30″N, 76°1′18″W

B Ontario International Airport
City: Ontario, CA
Country: United States Flag of United States
IATA Code: ONT
ICAO Code: KONT
Coordinates: 34°3′21″N, 117°36′3″W

Time difference and current local times

The time difference between Watertown and Ontario is 3 hours. Ontario is 3 hours behind Watertown.

Time Difference

Watertown, NY

 EDT

Ontario, CA

 PDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 253 kg (559 pounds).

Frequent Flyer Miles Calculator

Watertown (ART) → Ontario (ONT).

Distance:
2313
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
2313

Round trip?