Need help booking?
Unpublished phone-only deals available
CPR to POW: distance & flight time
Casper (Casper-Natrona County International Airport) → Portoroz (Portoroz Airport)
5,308 mi
8,542 km · 4,613 nm
10h 52m
estimated nonstop flight time
+8h
time difference · heading northeast
See live CPR→POW fares Phone-only fares on this route — call free
Flight time details
5,308 miles nonstop takes roughly 10h 52m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- CPR — Casper-Natrona County International Airport · Casper, United States
- POW — Portoroz Airport · Portoroz, Slovenia
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 POW
- TRS · Trieste–Friuli Venezia Giulia Airport25 mi away
- PUY · Pula Airport43 mi away
- RJK · Rijeka Airport50 mi away
- VCE · Venice Marco Polo Airport61 mi away
Frequently asked questions
How far is CPR from POW?
The flight distance from Casper (CPR) to Portoroz (POW) is 5,308 miles (8,542 km, 4,613 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CPR to POW?
A nonstop flight takes about 10h 52m 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 Casper and Portoroz?
Portoroz is 8 hours ahead of Casper.
What is the cheapest way to fly from CPR to POW?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CPR–POW that never appear on search engines, with no booking fees.