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How far is Sofia from Seattle, WA?

The distance between Seattle (Seattle Boeing Field) and Sofia (Sofia Airport) is 5877 miles / 9457 kilometers / 5107 nautical miles.

Seattle Boeing Field – Sofia Airport

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5877
Miles
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9457
Kilometers
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5107
Nautical miles

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Distance from Seattle to Sofia

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

Vincenty's formula (applied above)
  • 5876.597 miles
  • 9457.467 kilometers
  • 5106.623 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
  • 5860.887 miles
  • 9432.183 kilometers
  • 5092.971 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 Seattle to Sofia?

The estimated flight time from Seattle Boeing Field to Sofia Airport is 11 hours and 37 minutes.

Flight carbon footprint between Seattle Boeing Field (BFI) and Sofia Airport (SOF)

On average, flying from Seattle to Sofia generates about 700 kg of CO2 per passenger, and 700 kilograms equals 1 543 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Seattle to Sofia

See the map of the shortest flight path between Seattle Boeing Field (BFI) and Sofia Airport (SOF).

Airport information

Origin Seattle Boeing Field
City: Seattle, WA
Country: United States Flag of United States
IATA Code: BFI
ICAO Code: KBFI
Coordinates: 47°31′47″N, 122°18′7″W
Destination Sofia Airport
City: Sofia
Country: Bulgaria Flag of Bulgaria
IATA Code: SOF
ICAO Code: LBSF
Coordinates: 42°41′48″N, 23°24′41″E