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GRK to YCM: distance & flight time
Killeen (Robert Gray Army Air Field Airport) → Saint Catherines (Niagara District Airport)
1,321 mi
2,125 km · 1,148 nm
3h 20m
estimated nonstop flight time
+1h
time difference · heading northeast
See live GRK→YCM fares Phone-only fares on this route — call free
Flight time details
1,321 miles nonstop takes roughly 3h 20m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- GRK — Robert Gray Army Air Field Airport · Killeen, United States
- YCM — Niagara District Airport · Saint Catherines, 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 GRK
- HLR · Hood Army Air Field8 mi away
- AUS · Austin Bergstrom International Airport61 mi away
- TPL · Draughon Miller Central Texas Regional Airport26 mi away
- ACT · Waco Regional Airport52 mi away
Near YCM
- YYZ · Lester B. Pearson International Airport41 mi away
- IAG · Niagara Falls International Airport13 mi away
- BUF · Buffalo Niagara International Airport28 mi away
- DU9 · Dunnville Airport31 mi away
Frequently asked questions
How far is GRK from YCM?
The flight distance from Killeen (GRK) to Saint Catherines (YCM) is 1,321 miles (2,125 km, 1,148 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GRK to YCM?
A nonstop flight takes about 3h 20m 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 Killeen and Saint Catherines?
Saint Catherines is 1 hour ahead of Killeen.
What is the cheapest way to fly from GRK to YCM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GRK–YCM that never appear on search engines, with no booking fees.