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RLK to SPF: distance & flight time
Bayannur (Bayannur Tianjitai Airport) → Spearfish-South Dakota (Black Hills Airport-Clyde Ice Field)
6,220 mi
10,011 km · 5,405 nm
12h 40m
estimated nonstop flight time
-14h
time difference · heading north
See live RLK→SPF fares Phone-only fares on this route — call free
Flight time details
6,220 miles nonstop takes roughly 12h 40m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 14-hour time set-back when reading arrival times on your ticket.
The two airports
- RLK — Bayannur Tianjitai Airport · Bayannur, China
- 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 RLK
- WUA · Wuhai Airport93 mi away
- BAV · Baotou Airport121 mi away
- DSN · Ordos Ejin Horo Airport149 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 RLK from SPF?
The flight distance from Bayannur (RLK) to Spearfish-South Dakota (SPF) is 6,220 miles (10,011 km, 5,405 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RLK to SPF?
A nonstop flight takes about 12h 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 Bayannur and Spearfish-South Dakota?
Spearfish-South Dakota is 14 hours behind Bayannur.
What is the cheapest way to fly from RLK to SPF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RLK–SPF that never appear on search engines, with no booking fees.