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CPR to ZEM: distance & flight time
Casper (Casper-Natrona County International Airport) → Eastmain River (Eastmain River Airport)
1,441 mi
2,319 km · 1,252 nm
3h 36m
estimated nonstop flight time
+2h
time difference · heading northeast
See live CPR→ZEM fares Phone-only fares on this route — call free
Flight time details
1,441 miles nonstop takes roughly 3h 36m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- CPR — Casper-Natrona County International Airport · Casper, United States
- ZEM — Eastmain River Airport · Eastmain River, Canada
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 ZEM
- YKQ · Waskaganish Airport53 mi away
- YNC · Wemindji Airport56 mi away
- YGL · La Grande Rivière Airport102 mi away
- YNS · Nemiscau Airport108 mi away
Frequently asked questions
How far is CPR from ZEM?
The flight distance from Casper (CPR) to Eastmain River (ZEM) is 1,441 miles (2,319 km, 1,252 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CPR to ZEM?
A nonstop flight takes about 3h 36m 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 Eastmain River?
Eastmain River is 2 hours ahead of Casper.
What is the cheapest way to fly from CPR to ZEM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CPR–ZEM that never appear on search engines, with no booking fees.