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ZEM to CPR: distance & flight time
Eastmain River (Eastmain River Airport) → Casper (Casper-Natrona County International Airport)
1,441 mi
2,319 km · 1,252 nm
3h 36m
estimated nonstop flight time
-2h
time difference · heading west
See live ZEM→CPR fares Phone-only fares on this route — call free
Flight time details
1,441 miles nonstop takes roughly 3h 36m 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
- ZEM — Eastmain River Airport · Eastmain River, Canada
- 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 ZEM
- YKQ · Waskaganish Airport53 mi away
- YNC · Wemindji Airport56 mi away
- YGL · La Grande Rivière Airport102 mi away
- YNS · Nemiscau Airport108 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 ZEM from CPR?
The flight distance from Eastmain River (ZEM) to Casper (CPR) 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 ZEM to CPR?
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 Eastmain River and Casper?
Casper is 2 hours behind Eastmain River.
What is the cheapest way to fly from ZEM to CPR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZEM–CPR that never appear on search engines, with no booking fees.