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How far is Seattle, WA, from Rome?

The distance between Rome (Ciampino–G. B. Pastine International Airport) and Seattle (Seattle–Tacoma International Airport) is 5697 miles / 9168 kilometers / 4950 nautical miles.

Ciampino–G. B. Pastine International Airport – Seattle–Tacoma International Airport

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5697
Miles
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9168
Kilometers
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4950
Nautical miles

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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)
  • 5696.926 miles
  • 9168.314 kilometers
  • 4950.494 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
  • 5681.790 miles
  • 9143.955 kilometers
  • 4937.341 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 Ciampino–G. B. Pastine International Airport to Seattle–Tacoma International Airport is 11 hours and 17 minutes.

Flight carbon footprint between Ciampino–G. B. Pastine International Airport (CIA) and Seattle–Tacoma International Airport (SEA)

On average, flying from Rome to Seattle generates about 676 kg of CO2 per passenger, and 676 kilograms equals 1 490 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 Ciampino–G. B. Pastine International Airport (CIA) and Seattle–Tacoma International Airport (SEA).

Airport information

Origin Ciampino–G. B. Pastine International Airport
City: Rome
Country: Italy Flag of Italy
IATA Code: CIA
ICAO Code: LIRA
Coordinates: 41°47′57″N, 12°35′41″E
Destination Seattle–Tacoma International Airport
City: Seattle, WA
Country: United States Flag of United States
IATA Code: SEA
ICAO Code: KSEA
Coordinates: 47°26′56″N, 122°18′32″W