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PWM to CPR: distance & flight time
Portland (Portland International Jetport Airport) → Casper (Casper-Natrona County International Airport)
1,805 mi
2,905 km · 1,568 nm
4h
estimated nonstop flight time
-2h
time difference · heading west
See live PWM→CPR fares Phone-only fares on this route — call free
Flight time details
1,805 miles nonstop takes roughly 4h gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- PWM — Portland International Jetport Airport · Portland, 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 PWM
- NHZ · Brunswick Executive Airport25 mi away
- LEW · Auburn Lewiston Municipal Airport28 mi away
- FRY · Eastern Slopes Regional Airport40 mi away
- PSM · Portsmouth International at Pease Airport47 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 PWM from CPR?
The flight distance from Portland (PWM) to Casper (CPR) is 1,805 miles (2,905 km, 1,568 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PWM to CPR?
A nonstop flight takes about 4h 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 Portland and Casper?
Casper is 2 hours behind Portland.
What is the cheapest way to fly from PWM to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PWM–CPR that never appear on search engines, with no booking fees.