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How far is Sofia from Philadelphia, PA?

The distance between Philadelphia (Northeast Philadelphia Airport) and Sofia (Sofia Airport) is 4797 miles / 7720 kilometers / 4168 nautical miles.

Northeast Philadelphia Airport – Sofia Airport

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4797
Miles
Distance arrow
7720
Kilometers
Distance arrow
4168
Nautical miles

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Distance from Philadelphia to Sofia

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

Vincenty's formula (applied above)
  • 4797.000 miles
  • 7720.024 kilometers
  • 4168.479 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
  • 4784.823 miles
  • 7700.426 kilometers
  • 4157.898 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 Philadelphia to Sofia?

The estimated flight time from Northeast Philadelphia Airport to Sofia Airport is 9 hours and 34 minutes.

Flight carbon footprint between Northeast Philadelphia Airport (PNE) and Sofia Airport (SOF)

On average, flying from Philadelphia to Sofia generates about 558 kg of CO2 per passenger, and 558 kilograms equals 1 229 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Philadelphia to Sofia

See the map of the shortest flight path between Northeast Philadelphia Airport (PNE) and Sofia Airport (SOF).

Airport information

Origin Northeast Philadelphia Airport
City: Philadelphia, PA
Country: United States Flag of United States
IATA Code: PNE
ICAO Code: KPNE
Coordinates: 40°4′54″N, 75°0′38″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