HLH
Ulanhot
China
7,292 km
4,531 miles
SOF
Sofia
Bulgaria
Distance
7,292 km
4,531 mi / 3,938 nm
Est. Flight Time
10h
Long-haul route
Time Difference
-6h
Asia/Shanghai
Heading
307°
northwest

Airport Comparison

HLH SOF
Airport Name Ulanhot Airport Sofia Airport
IATA Code HLH SOF
ICAO Code ZBUL LBSF
City Ulanhot Sofia
Country China Bulgaria
Timezone Asia/Shanghai Europe/Sofia
Elevation 0 ft 1,742 ft
Coordinates 46.200000, 122.010000 42.700000, 23.410000

Ulanhot (HLH) to Sofia (SOF) Flight Distance

The flight distance from Ulanhot Airport (HLH) in Ulanhot, China to Sofia Airport (SOF) in Sofia, Bulgaria is 7,292 kilometers (4,531 miles / 3,938 nautical miles). The estimated flight time for this route is approximately 10h, flying northwest at a heading of 307°.

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 China 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 07:32 in Ulanhot, it's 01:32 in Sofia. With a 6-hour time difference, travelers should plan for significant jet lag. It typically takes one day per hour of time difference to fully adjust.

There is a significant elevation difference of 1,742 feet between the two airports. Sofia Airport sits higher than Ulanhot Airport.

The return flight from Sofia (SOF) to Ulanhot (HLH) follows a heading of 49° (northeast). Actual flight times may vary depending on wind conditions, air traffic, and the specific aircraft used.

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

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