How far is Sofia from Harlingen, TX?
The distance between Harlingen (Valley International Airport) and Sofia (Sofia Airport) is 6391 miles / 10286 kilometers / 5554 nautical miles.
Valley International Airport – Sofia Airport
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Distance from Harlingen to Sofia
There are several ways to calculate the distance from Harlingen to Sofia. Here are two standard methods:
Vincenty's formula (applied above)- 6391.152 miles
- 10285.563 kilometers
- 5553.760 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- 6378.817 miles
- 10265.712 kilometers
- 5543.041 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 Harlingen to Sofia?
The estimated flight time from Valley International Airport to Sofia Airport is 12 hours and 36 minutes.
What is the time difference between Harlingen and Sofia?
The time difference between Harlingen and Sofia is 8 hours. Sofia is 8 hours ahead of Harlingen.
Flight carbon footprint between Valley International Airport (HRL) and Sofia Airport (SOF)
On average, flying from Harlingen to Sofia generates about 770 kg of CO2 per passenger, and 770 kilograms equals 1 698 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Harlingen to Sofia
See the map of the shortest flight path between Valley International Airport (HRL) and Sofia Airport (SOF).
Airport information
| Origin | Valley International Airport |
|---|---|
| City: | Harlingen, TX |
| Country: | United States  |
| IATA Code: | HRL |
| ICAO Code: | KHRL |
| Coordinates: | 26°13′42″N, 97°39′15″W |
| Destination | Sofia Airport |
|---|---|
| City: | Sofia |
| Country: | Bulgaria  |
| IATA Code: | SOF |
| ICAO Code: | LBSF |
| Coordinates: | 42°41′48″N, 23°24′41″E |