Air Miles Calculator logo

How far is Ontario, CA, from Monroe, LA?

The distance between Monroe (Monroe Regional Airport) and Ontario (Ontario International Airport) is 1480 miles / 2381 kilometers / 1286 nautical miles.

The driving distance from Monroe (MLU) to Ontario (ONT) is 1688 miles / 2717 kilometers, and travel time by car is about 29 hours 14 minutes.

Monroe Regional Airport – Ontario International Airport

Distance arrow
1480
Miles
Distance arrow
2381
Kilometers
Distance arrow
1286
Nautical miles

Search flights

Distance from Monroe to Ontario

There are several ways to calculate the distance from Monroe to Ontario. Here are two standard methods:

Vincenty's formula (applied above)
  • 1479.662 miles
  • 2381.284 kilometers
  • 1285.791 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth's surface using an ellipsoidal model of the planet.

Haversine formula
  • 1476.554 miles
  • 2376.283 kilometers
  • 1283.090 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).

How long does it take to fly from Monroe to Ontario?

The estimated flight time from Monroe Regional Airport to Ontario International Airport is 3 hours and 18 minutes.

Flight carbon footprint between Monroe Regional Airport (MLU) and Ontario International Airport (ONT)

On average, flying from Monroe to Ontario generates about 178 kg of CO2 per passenger, and 178 kilograms equals 393 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Monroe to Ontario

See the map of the shortest flight path between Monroe Regional Airport (MLU) and Ontario International Airport (ONT).

Airport information

Origin Monroe Regional Airport
City: Monroe, LA
Country: United States Flag of United States
IATA Code: MLU
ICAO Code: KMLU
Coordinates: 32°30′39″N, 92°2′15″W
Destination 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