Need help booking?
Unpublished phone-only deals available
ONO to ZEM: distance & flight time
Ontario (Ontario Municipal Airport) → Eastmain River (Eastmain River Airport)
1,839 mi
2,959 km · 1,598 nm
4h 4m
estimated nonstop flight time
+2h
time difference · heading northeast
See live ONO→ZEM fares Phone-only fares on this route — call free
Flight time details
1,839 miles nonstop takes roughly 4h 4m 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
- ONO — Ontario Municipal Airport · Ontario, 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 ONO
- BOI · Boise Air Terminal/Gowen Field50 mi away
- BKE · Baker City Municipal Airport69 mi away
- MYL · McCall Municipal Airport75 mi away
- MUO · Mountain Home Air Force Base88 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 ONO from ZEM?
The flight distance from Ontario (ONO) to Eastmain River (ZEM) is 1,839 miles (2,959 km, 1,598 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ONO to ZEM?
A nonstop flight takes about 4h 4m 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 Ontario and Eastmain River?
Eastmain River is 2 hours ahead of Ontario.
What is the cheapest way to fly from ONO to ZEM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ONO–ZEM that never appear on search engines, with no booking fees.