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ZEM to FSI: distance & flight time
Eastmain River (Eastmain River Airport) → Fort Sill (Henry Post Army Air Field (Fort Sill))
1,561 mi
2,512 km · 1,356 nm
3h 32m
estimated nonstop flight time
-1h
time difference · heading southwest
See live ZEM→FSI fares Phone-only fares on this route — call free
Flight time details
1,561 miles nonstop takes roughly 3h 32m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- ZEM — Eastmain River Airport · Eastmain River, Canada
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, 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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Frequently asked questions
How far is ZEM from FSI?
The flight distance from Eastmain River (ZEM) to Fort Sill (FSI) is 1,561 miles (2,512 km, 1,356 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ZEM to FSI?
A nonstop flight takes about 3h 32m 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 Fort Sill?
Fort Sill is 1 hour behind Eastmain River.
What is the cheapest way to fly from ZEM to FSI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ZEM–FSI that never appear on search engines, with no booking fees.