How far is Ontario, CA, from Santa Maria, CA?

The distance between Santa Maria (Santa Maria Public Airport) and Ontario (Ontario International Airport) is 173 miles / 279 kilometers / 150 nautical miles.

The driving distance from Santa Maria (SMX) to Ontario (ONT) is 195 miles / 314 kilometers, and travel time by car is about 3 hours 58 minutes.

Distance from Santa Maria to Ontario

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

Vincenty's formula (applied above)

• 173.062 miles
• 278.516 kilometers
• 150.387 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

• 172.772 miles
• 278.050 kilometers
• 150.135 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 Santa Maria to Ontario?

The estimated flight time from Santa Maria Public Airport to Ontario International Airport is 49 minutes.

What is the time difference between Santa Maria and Ontario?

There is no time difference between Santa Maria and Ontario.

Flight carbon footprint between Santa Maria Public Airport (SMX) and Ontario International Airport (ONT)

On average, flying from Santa Maria to Ontario generates about 50 kg of CO2 per passenger, and 50 kilograms equals 111 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Santa Maria to Ontario

See the map of the shortest flight path between Santa Maria Public Airport (SMX) and Ontario International Airport (ONT).

Airport information

Origin	Santa Maria Public Airport
City:	Santa Maria, CA
Country:	United States
IATA Code:	SMX
ICAO Code:	KSMX
Coordinates:	34°53′56″N, 120°27′25″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