How far is San Diego, CA, from Santa Maria, CA?

The distance between Santa Maria (Santa Maria Public Airport) and San Diego (San Diego International Airport) is 240 miles / 386 kilometers / 209 nautical miles.

The driving distance from Santa Maria (SMX) to San Diego (SAN) is 279 miles / 449 kilometers, and travel time by car is about 5 hours 37 minutes.

Distance from Santa Maria to San Diego

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

Vincenty's formula (applied above)

• 239.963 miles
• 386.183 kilometers
• 208.522 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

• 239.878 miles
• 386.046 kilometers
• 208.448 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 San Diego?

The estimated flight time from Santa Maria Public Airport to San Diego International Airport is 57 minutes.

What is the time difference between Santa Maria and San Diego?

There is no time difference between Santa Maria and San Diego.

Flight carbon footprint between Santa Maria Public Airport (SMX) and San Diego International Airport (SAN)

On average, flying from Santa Maria to San Diego generates about 60 kg of CO2 per passenger, and 60 kilograms equals 133 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 San Diego

See the map of the shortest flight path between Santa Maria Public Airport (SMX) and San Diego International Airport (SAN).

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	San Diego International Airport
City:	San Diego, CA
Country:	United States
IATA Code:	SAN
ICAO Code:	KSAN
Coordinates:	32°44′0″N, 117°11′24″W