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How far is Sofia from Houston, TX?

The distance between Houston (Houston William P. Hobby Airport) and Sofia (Sofia Airport) is 6117 miles / 9845 kilometers / 5316 nautical miles.

Houston William P. Hobby Airport – Sofia Airport

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6117
Miles
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9845
Kilometers
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5316
Nautical miles

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Distance from Houston to Sofia

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

Vincenty's formula (applied above)
  • 6117.277 miles
  • 9844.804 kilometers
  • 5315.769 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
  • 6104.502 miles
  • 9824.244 kilometers
  • 5304.668 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 Houston to Sofia?

The estimated flight time from Houston William P. Hobby Airport to Sofia Airport is 12 hours and 4 minutes.

Flight carbon footprint between Houston William P. Hobby Airport (HOU) and Sofia Airport (SOF)

On average, flying from Houston to Sofia generates about 733 kg of CO2 per passenger, and 733 kilograms equals 1 615 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Houston to Sofia

See the map of the shortest flight path between Houston William P. Hobby Airport (HOU) and Sofia Airport (SOF).

Airport information

Origin Houston William P. Hobby Airport
City: Houston, TX
Country: United States Flag of United States
IATA Code: HOU
ICAO Code: KHOU
Coordinates: 29°38′43″N, 95°16′44″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