How far is Billings, MT, from Ontario, CA?

The distance between Ontario (Ontario International Airport) and Billings (Billings Logan International Airport) is 941 miles / 1515 kilometers / 818 nautical miles.

The driving distance from Ontario (ONT) to Billings (BIL) is 1203 miles / 1936 kilometers, and travel time by car is about 21 hours 8 minutes.

Distance from Ontario to Billings

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

Vincenty's formula (applied above)

• 941.338 miles
• 1514.936 kilometers
• 818.000 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

• 941.747 miles
• 1515.595 kilometers
• 818.356 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 Ontario to Billings?

The estimated flight time from Ontario International Airport to Billings Logan International Airport is 2 hours and 16 minutes.

What is the time difference between Ontario and Billings?

The time difference between Ontario and Billings is 1 hour. Billings is 1 hour ahead of Ontario.

Flight carbon footprint between Ontario International Airport (ONT) and Billings Logan International Airport (BIL)

On average, flying from Ontario to Billings generates about 147 kg of CO2 per passenger, and 147 kilograms equals 323 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Ontario to Billings

See the map of the shortest flight path between Ontario International Airport (ONT) and Billings Logan International Airport (BIL).

Airport information

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

Destination	Billings Logan International Airport
City:	Billings, MT
Country:	United States
IATA Code:	BIL
ICAO Code:	KBIL
Coordinates:	45°48′27″N, 108°32′34″W