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SOF to DTB: distance & flight time
Sofia (Sofia Airport) → Siborong-Borong (Silangit Airport)
5,382 mi
8,662 km · 4,677 nm
11h 1m
estimated nonstop flight time
+4h
time difference · heading east
See live SOF→DTB fares Phone-only fares on this route — call free
Flight time details
5,382 miles nonstop takes roughly 11h 1m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4-hour time gain when reading arrival times on your ticket.
The two airports
- SOF — Sofia Airport · Sofia, Bulgaria
- DTB — Silangit Airport · Siborong-Borong, Indonesia
Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.
Alternate airports can cut this fare
Flying from or into a nearby airport is the #1 trick our agents use to beat online prices. Call and we'll compare every combination on one call.
Near SOF
- PDV · Plovdiv International Airport85 mi away
- INI · Nis Airport90 mi away
- SKP · Skopje Alexander the Great Airport105 mi away
- CRA · Craiova Airport115 mi away
Near DTB
- FLZ · Dr Ferdinand Lumban Tobing Airport49 mi away
- AEG · Aek Godang Airport67 mi away
- MES · Soewondo Air Force Base92 mi away
- KNO · Kualanamu International Airport96 mi away
Frequently asked questions
How far is SOF from DTB?
The flight distance from Sofia (SOF) to Siborong-Borong (DTB) is 5,382 miles (8,662 km, 4,677 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SOF to DTB?
A nonstop flight takes about 11h 1m gate to gate. Actual time varies with winds, routing and season — eastbound transatlantic flights, for example, are usually faster than the return.
What is the time difference between Sofia and Siborong-Borong?
Siborong-Borong is 4 hours ahead of Sofia.
What is the cheapest way to fly from SOF to DTB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SOF–DTB that never appear on search engines, with no booking fees.