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RJK to CPR: distance & flight time
Rijeka (Rijeka Airport) → Casper (Casper-Natrona County International Airport)
5,352 mi
8,612 km · 4,650 nm
10h 58m
estimated nonstop flight time
-8h
time difference · heading northwest
See live RJK→CPR fares Phone-only fares on this route — call free
Flight time details
5,352 miles nonstop takes roughly 10h 58m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time set-back when reading arrival times on your ticket.
The two airports
- RJK — Rijeka Airport · Rijeka, Croatia
- 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 RJK
- PUY · Pula Airport39 mi away
- LSZ · Lošinj Island Airport46 mi away
- POW · Portoroz Airport50 mi away
- TRS · Trieste–Friuli Venezia Giulia Airport68 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 RJK from CPR?
The flight distance from Rijeka (RJK) to Casper (CPR) is 5,352 miles (8,612 km, 4,650 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RJK to CPR?
A nonstop flight takes about 10h 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 time difference between Rijeka and Casper?
Casper is 8 hours behind Rijeka.
What is the cheapest way to fly from RJK to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RJK–CPR that never appear on search engines, with no booking fees.