Air Miles Calculator

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

Distance from Ontario International Airport to Dallas/Fort Worth International Airport is 1188 miles / 1912 kilometers / 1033 nautical miles.

Calculations with different 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).

Flight duration

Estimated flight time from Ontario International Airport (ONT) to Dallas/Fort Worth International Airport (DFW) is 2 hours 44 minutes.

Time difference and current local times

The time difference between Ontario and Dallas is 2 hours. Dallas is 2 hours ahead of Ontario.

Time Difference

Ontario
Dallas

Ontario, CA

 PST

Dallas, TX

 CST

Airport information


A 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

B 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

Map

Flight map from Ontario to Dallas.

Frequent Flyer Miles Calculator

Ontario (ONT) → Dallas (DFW).

Elite level bonus (%):
Booking class bonus (%):
Air miles:
1188
Elite level bonus:
0
Booking class bonus:
0

In total

Total frequent flyer miles:
1188

Round trip?