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CPR to PRM: distance & flight time
Casper (Casper-Natrona County International Airport) → Portimao (Portimão Airport)
4,882 mi
7,858 km · 4,243 nm
10h 2m
estimated nonstop flight time
+7h
time difference · heading northeast
See live CPR→PRM fares Phone-only fares on this route — call free
Flight time details
4,882 miles nonstop takes roughly 10h 2m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- CPR — Casper-Natrona County International Airport · Casper, United States
- PRM — Portimão Airport · Portimao, Portugal
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 PRM
- FAO · Faro Airport35 mi away
- BYJ · Beja Airport / Airbase73 mi away
- CAT · Cascais Airport117 mi away
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)117 mi away
Frequently asked questions
How far is CPR from PRM?
The flight distance from Casper (CPR) to Portimao (PRM) is 4,882 miles (7,858 km, 4,243 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CPR to PRM?
A nonstop flight takes about 10h 2m 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 Portimao?
Portimao is 7 hours ahead of Casper.
What is the cheapest way to fly from CPR to PRM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CPR–PRM that never appear on search engines, with no booking fees.