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RKS to RAP: distance & flight time
Rock Springs (Southwest Wyoming Regional Airport) → Rapid City (Rapid City Regional Airport)
348 mi
561 km · 303 nm
1h 23m
estimated nonstop flight time
Same time
time difference · heading northeast
See live RKS→RAP fares Phone-only fares on this route — call free
Flight time details
348 miles nonstop takes roughly 1h 23m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- RKS — Southwest Wyoming Regional Airport · Rock Springs, United States
- RAP — Rapid City Regional Airport · Rapid City, 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 RKS
- FBR · Fort Bridger Airport71 mi away
- VEL · Vernal Regional Airport83 mi away
- LND · Hunt Field86 mi away
- BPI · Miley Memorial Field87 mi away
Near RAP
- RCA · Ellsworth Air Force Base7 mi away
- SPF · Black Hills Airport-Clyde Ice Field47 mi away
- CDR · Chadron Municipal Airport83 mi away
- GCC · Gillette Campbell County Airport125 mi away
Frequently asked questions
How far is RKS from RAP?
The flight distance from Rock Springs (RKS) to Rapid City (RAP) is 348 miles (561 km, 303 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RKS to RAP?
A nonstop flight takes about 1h 23m 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 cheapest way to fly from RKS to RAP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RKS–RAP that never appear on search engines, with no booking fees.