Air Miles Calculator

Distance between Dallas, TX (DFW) and Ontario, CA (ONT)

Flight distance from Dallas to Ontario (Dallas/Fort Worth International Airport – Ontario International Airport) is 1188 miles / 1912 kilometers / 1033 nautical miles. Estimated flight time is 2 hours 44 minutes.

Driving distance from Dallas (DFW) to Ontario (ONT) is 1377 miles / 2216 kilometers and travel time by car is about 22 hours 37 minutes.

Map of flight path and driving directions from Dallas to Ontario.

Shortest flight path between Dallas/Fort Worth International Airport (DFW) and Ontario International Airport (ONT).

How far is Ontario from Dallas?

There are several ways to calculate distances between Dallas and Ontario. Here are two common methods:

Vincenty's formula (applied above)
  • 1188.303 miles
  • 1912.388 kilometers
  • 1032.607 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
  • 1185.790 miles
  • 1908.345 kilometers
  • 1030.424 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 Dallas/Fort Worth International Airport
City: Dallas, TX
Country: United States Flag of United States
IATA Code: DFW
ICAO Code: KDFW
Coordinates: 32°53′48″N, 97°2′16″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 Dallas and Ontario is 2 hours. Ontario is 2 hours behind Dallas.

Time Difference

Dallas, TX

 CDT

Ontario, CA

 PDT

Carbon dioxide emissions

Estimated CO2 emissions per passenger is 161 kg (355 pounds).

Frequent Flyer Miles Calculator

Dallas (DFW) → Ontario (ONT).

Distance:
1188
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1188

Round trip?