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BOJ to SPF: distance & flight time
Bourgas (Burgas Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
5,713 mi
9,195 km · 4,965 nm
11h 40m
estimated nonstop flight time
-9h
time difference · heading northwest
See live BOJ→SPF fares Phone-only fares on this route — call free
Flight time details
5,713 miles nonstop takes roughly 11h 40m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- BOJ — Burgas Airport · Bourgas, Bulgaria
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, United States
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 BOJ
- VAR · Varna Airport48 mi away
- JAM · Bezmer Air Base60 mi away
- IST · Istanbul Airport110 mi away
- SZR · Stara Zagora Airport96 mi away
Near SPF
- RCA · Ellsworth Air Force Base41 mi away
- RAP · Rapid City Regional Airport47 mi away
- GCC · Gillette Campbell County Airport87 mi away
- CDR · Chadron Municipal Airport119 mi away
Frequently asked questions
How far is BOJ from SPF?
The flight distance from Bourgas (BOJ) to Spearfish-South Dakota (SPF) is 5,713 miles (9,195 km, 4,965 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BOJ to SPF?
A nonstop flight takes about 11h 40m 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 Bourgas and Spearfish-South Dakota?
Spearfish-South Dakota is 9 hours behind Bourgas.
What is the cheapest way to fly from BOJ to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BOJ–SPF that never appear on search engines, with no booking fees.