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CPR to RAP: distance & flight time
Casper (Casper-Natrona County International Airport) → Rapid City (Rapid City Regional Airport)
188 mi
303 km · 163 nm
58m
estimated nonstop flight time
Same time
time difference · heading northeast
See live CPR→RAP fares Phone-only fares on this route — call free
Flight time details
188 miles nonstop takes roughly 58m 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
- CPR — Casper-Natrona County International Airport · Casper, 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 CPR
- RWL · Rawlins Municipal Airport/Harvey Field85 mi away
- RIW · Riverton Regional Airport101 mi away
- SAA · Shively Field103 mi away
- WRL · Worland Municipal Airport104 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 CPR from RAP?
The flight distance from Casper (CPR) to Rapid City (RAP) is 188 miles (303 km, 163 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CPR to RAP?
A nonstop flight takes about 58m 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 CPR to RAP?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CPR–RAP that never appear on search engines, with no booking fees.