Air Miles Calculator

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

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

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).

Flight duration

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

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
Ontario

Dallas, TX

 CDT

Ontario, CA

 PDT

Carbon dioxide emissions

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

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

Dallas to Ontario flight path

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

Frequent Flyer Miles Calculator

Dallas (DFW) → Ontario (ONT).

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?