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PTJ to CPR: distance & flight time
Portland (Portland Airport) → Casper (Casper-Natrona County International Airport)
8,957 mi
14,416 km · 7,784 nm
18h 2m
estimated nonstop flight time
-16h
time difference · heading northeast
See live PTJ→CPR fares Phone-only fares on this route — call free
Flight time details
8,957 miles nonstop takes roughly 18h 2m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 16-hour time set-back when reading arrival times on your ticket.
The two airports
- PTJ — Portland Airport · Portland, Australia
- 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 PTJ
- WMB · Warrnambool Airport53 mi away
- MGB · Mount Gambier Airport54 mi away
- HLT · Hamilton Airport56 mi away
- NAC · Naracoorte Airport101 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 PTJ from CPR?
The flight distance from Portland (PTJ) to Casper (CPR) is 8,957 miles (14,416 km, 7,784 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PTJ to CPR?
A nonstop flight takes about 18h 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 Portland and Casper?
Casper is 16 hours behind Portland.
What is the cheapest way to fly from PTJ to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PTJ–CPR that never appear on search engines, with no booking fees.