Need help booking?
Unpublished phone-only deals available
ROC to GTF: distance & flight time
Rochester (Greater Rochester International Airport) → Great Falls (Great Falls International Airport)
1,652 mi
2,658 km · 1,435 nm
3h 42m
estimated nonstop flight time
-2h
time difference · heading west
See live ROC→GTF fares Phone-only fares on this route — call free
Flight time details
1,652 miles nonstop takes roughly 3h 42m 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
- ROC — Greater Rochester International Airport · Rochester, United States
- GTF — Great Falls International Airport · Great Falls, 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 ROC
- BUF · Buffalo Niagara International Airport55 mi away
- IAG · Niagara Falls International Airport64 mi away
- YYZ · Lester B. Pearson International Airport106 mi away
- YTR · CFB Trenton69 mi away
Near GTF
- HLN · Helena Regional Airport67 mi away
- CTB · Cut Bank International Airport91 mi away
- LWT · Lewistown Municipal Airport94 mi away
- HVR · Havre City County Airport104 mi away
Frequently asked questions
How far is ROC from GTF?
The flight distance from Rochester (ROC) to Great Falls (GTF) is 1,652 miles (2,658 km, 1,435 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ROC to GTF?
A nonstop flight takes about 3h 42m 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 Rochester and Great Falls?
Great Falls is 2 hours behind Rochester.
What is the cheapest way to fly from ROC to GTF?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROC–GTF that never appear on search engines, with no booking fees.