How far is San Bernardino, CA, from Ontario, CA?

The distance between Ontario (Ontario International Airport) and San Bernardino (San Bernardino International Airport) is 21 miles / 34 kilometers / 18 nautical miles.

The driving distance from Ontario (ONT) to San Bernardino (SBD) is 24 miles / 38 kilometers, and travel time by car is about 36 minutes.

Distance from Ontario to San Bernardino

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

Vincenty's formula (applied above)

• 21.166 miles
• 34.064 kilometers
• 18.393 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

• 21.122 miles
• 33.993 kilometers
• 18.355 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 San Bernardino?

The estimated flight time from Ontario International Airport to San Bernardino International Airport is 32 minutes.

What is the time difference between Ontario and San Bernardino?

There is no time difference between Ontario and San Bernardino.

Flight carbon footprint between Ontario International Airport (ONT) and San Bernardino International Airport (SBD)

On average, flying from Ontario to San Bernardino generates about 28 kg of CO2 per passenger, and 28 kilograms equals 62 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 San Bernardino

See the map of the shortest flight path between Ontario International Airport (ONT) and San Bernardino International Airport (SBD).

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	San Bernardino International Airport
City:	San Bernardino, CA
Country:	United States
IATA Code:	SBD
ICAO Code:	KSBD
Coordinates:	34°5′43″N, 117°14′6″W