# How far is San Francisco, CA, from Rome?

The distance between Rome (Ciampino–G. B. Pastine International Airport) and San Francisco (San Francisco International Airport) is 6275 miles / 10098 kilometers / 5452 nautical miles.

6275
Miles
10098
Kilometers
5452
Nautical miles
12 h 22 min
754 kg

## Distance from Rome to San Francisco

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

Vincenty's formula (applied above)
• 6274.564 miles
• 10097.931 kilometers
• 5452.447 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
• 6259.843 miles
• 10074.240 kilometers
• 5439.655 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 Francisco?

The estimated flight time from Ciampino–G. B. Pastine International Airport to San Francisco International Airport is 12 hours and 22 minutes.

## Flight carbon footprint between Ciampino–G. B. Pastine International Airport (CIA) and San Francisco International Airport (SFO)

On average, flying from Rome to San Francisco generates about 754 kg of CO2 per passenger, and 754 kilograms equals 1 662 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

## Map of flight path from Rome to San Francisco

See the map of the shortest flight path between Ciampino–G. B. Pastine International Airport (CIA) and San Francisco International Airport (SFO).

## Airport information

Origin Ciampino–G. B. Pastine International Airport
City: Rome
Country: Italy
IATA Code: CIA
ICAO Code: LIRA
Coordinates: 41°47′57″N, 12°35′41″E
Destination San Francisco International Airport
City: San Francisco, CA
Country: United States
IATA Code: SFO
ICAO Code: KSFO
Coordinates: 37°37′8″N, 122°22′30″W