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STJ to CPR: distance & flight time
Rosecrans (Rosecrans Memorial Airport) → Casper (Casper-Natrona County International Airport)
637 mi
1,025 km · 553 nm
1h 51m
estimated nonstop flight time
-1h
time difference · heading northwest
See live STJ→CPR fares Phone-only fares on this route — call free
Flight time details
637 miles nonstop takes roughly 1h 51m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- STJ — Rosecrans Memorial Airport · Rosecrans, United States
- CPR — Casper-Natrona County International Airport · Casper, 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 STJ
- FLV · Sherman Army Air Field28 mi away
- MCI · Kansas City International Airport34 mi away
- MKC · Charles B. Wheeler Downtown Airport48 mi away
- LWC · Lawrence Municipal Airport55 mi away
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
Frequently asked questions
How far is STJ from CPR?
The flight distance from Rosecrans (STJ) to Casper (CPR) is 637 miles (1,025 km, 553 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from STJ to CPR?
A nonstop flight takes about 1h 51m 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 Rosecrans and Casper?
Casper is 1 hour behind Rosecrans.
What is the cheapest way to fly from STJ to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on STJ–CPR that never appear on search engines, with no booking fees.