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

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

The driving distance from Billings (BIL) to Ontario (ONT) is 1204 miles / 1938 kilometers, and travel time by car is about 21 hours 6 minutes.

Distance from Billings to Ontario

There are several ways to calculate the distance from Billings to Ontario. 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 Billings to Ontario?

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

What is the time difference between Billings and Ontario?

The time difference between Billings and Ontario is 1 hour. Ontario is 1 hour behind Billings.

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

On average, flying from Billings to Ontario 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 Billings to Ontario

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

Airport information

Origin	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

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