How far is Seattle, WA, from Rome?

The distance between Rome (Leonardo da Vinci–Fiumicino Airport) and Seattle (Seattle–Tacoma International Airport) is 5688 miles / 9154 kilometers / 4943 nautical miles.

Distance from Rome to Seattle

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

Vincenty's formula (applied above)

• 5688.005 miles
• 9153.956 kilometers
• 4942.741 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

• 5672.887 miles
• 9129.627 kilometers
• 4929.604 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 Seattle?

The estimated flight time from Leonardo da Vinci–Fiumicino Airport to Seattle–Tacoma International Airport is 11 hours and 16 minutes.

What is the time difference between Rome and Seattle?

The time difference between Rome and Seattle is 9 hours. Seattle is 9 hours behind Rome.

Flight carbon footprint between Leonardo da Vinci–Fiumicino Airport (FCO) and Seattle–Tacoma International Airport (SEA)

On average, flying from Rome to Seattle generates about 675 kg of CO2 per passenger, and 675 kilograms equals 1 487 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rome to Seattle

See the map of the shortest flight path between Leonardo da Vinci–Fiumicino Airport (FCO) and Seattle–Tacoma International Airport (SEA).

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	Seattle–Tacoma International Airport
City:	Seattle, WA
Country:	United States
IATA Code:	SEA
ICAO Code:	KSEA
Coordinates:	47°26′56″N, 122°18′32″W