How far is San Diego, CA, from Rome?

The distance between Rome (Leonardo da Vinci–Fiumicino Airport) and San Diego (San Diego International Airport) is 6382 miles / 10271 kilometers / 5546 nautical miles.

Distance from Rome to San Diego

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

Vincenty's formula (applied above)

• 6382.369 miles
• 10271.427 kilometers
• 5546.127 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

• 6368.488 miles
• 10249.088 kilometers
• 5534.065 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 Rome to San Diego?

The estimated flight time from Leonardo da Vinci–Fiumicino Airport to San Diego International Airport is 12 hours and 35 minutes.

What is the time difference between Rome and San Diego?

The time difference between Rome and San Diego is 9 hours. San Diego is 9 hours behind Rome.

Flight carbon footprint between Leonardo da Vinci–Fiumicino Airport (FCO) and San Diego International Airport (SAN)

On average, flying from Rome to San Diego generates about 769 kg of CO2 per passenger, and 769 kilograms equals 1 695 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rome to San Diego

See the map of the shortest flight path between Leonardo da Vinci–Fiumicino Airport (FCO) and San Diego International Airport (SAN).

Airport information

Origin	Leonardo da Vinci–Fiumicino Airport
City:	Rome
Country:	Italy
IATA Code:	FCO
ICAO Code:	LIRF
Coordinates:	41°48′16″N, 12°15′2″E

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