BIR
Biratnagar
Nepal
5,969 km
3,709 miles
SOF
Sofia
Bulgaria
Distance
5,969 km
3,709 mi / 3,223 nm
Est. Flight Time
8h
Long-haul route
Time Difference
-3.75h
Asia/Kathmandu
Heading
305°
northwest

Airport Comparison

BIR SOF
Airport Name Biratnagar Airport Sofia Airport
IATA Code BIR SOF
ICAO Code VNVT LBSF
City Biratnagar Sofia
Country Nepal Bulgaria
Timezone Asia/Kathmandu Europe/Sofia
Elevation 236 ft 1,742 ft
Coordinates 26.480000, 87.260000 42.700000, 23.410000

Biratnagar (BIR) to Sofia (SOF) Flight Distance

The flight distance from Biratnagar Airport (BIR) in Biratnagar, Nepal to Sofia Airport (SOF) in Sofia, Bulgaria is 5,969 kilometers (3,709 miles / 3,223 nautical miles). The estimated flight time for this route is approximately 8h, flying northwest at a heading of 305°.

This is a long-haul route typically operated by wide-body aircraft such as the Boeing 777 or Airbus A350. Full meal service, in-flight entertainment, and comfort amenities are standard.

This is an international route connecting Nepal with Bulgaria. It is an intercontinental flight between Asia and Europe. Travelers should check visa requirements, customs regulations, and any travel advisories before booking.

Time zone information: When it's 17:35 in Biratnagar, it's 13:50 in Sofia. The 3.75-hour time difference may cause some jet lag. Most travelers adjust within a day or two.

There is a significant elevation difference of 1,506 feet between the two airports. Sofia Airport sits higher than Biratnagar Airport.

The return flight from Sofia (SOF) to Biratnagar (BIR) follows a heading of 86° (east). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

For more information about these airports, visit the Biratnagar Airport (BIR) and Sofia Airport (SOF) detail pages, or use our flight duration calculator to compare other routes.

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