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SPF to OTP: distance & flight time
Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field) → Bucharest (Henri Coandă International Airport)
5,559 mi
8,946 km · 4,830 nm
11h 22m
estimated nonstop flight time
+9h
time difference · heading northeast
See live SPF→OTP fares Phone-only fares on this route — call free
Flight time details
5,559 miles nonstop takes roughly 11h 22m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time gain when reading arrival times on your ticket.
The two airports
- SPF — Black Hills Airport-Clyde Ice Field · Spearfish-South Dakota, United States
- OTP — Henri Coandă International Airport · Bucharest, Romania
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 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
Near OTP
- BBU · Băneasa International Airport5 mi away
- GOZ · Gorna Oryahovitsa Airport100 mi away
- CRA · Craiova Airport110 mi away
- CND · Mihail Kogălniceanu International Airport119 mi away
Frequently asked questions
How far is SPF from OTP?
The flight distance from Spearfish-South Dakota (SPF) to Bucharest (OTP) is 5,559 miles (8,946 km, 4,830 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SPF to OTP?
A nonstop flight takes about 11h 22m 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 Spearfish-South Dakota and Bucharest?
Bucharest is 9 hours ahead of Spearfish-South Dakota.
What is the cheapest way to fly from SPF to OTP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SPF–OTP that never appear on search engines, with no booking fees.