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GAI to ISM: distance & flight time
Gaithersburg (Montgomery County Airpark) → Kissimmee (Kissimmee Gateway Airport)
790 mi
1,272 km · 687 nm
2h 11m
estimated nonstop flight time
Same time
time difference · heading south
See live GAI→ISM fares Phone-only fares on this route — call free
Flight time details
790 miles nonstop takes roughly 2h 11m gate to gate, flying south. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- GAI — Montgomery County Airpark · Gaithersburg, United States
- ISM — Kissimmee Gateway Airport · Kissimmee, 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 GAI
Near ISM
- MCO · Orlando International Airport12 mi away
- ORL · Orlando Executive Airport19 mi away
- GIF · Winter Haven Regional Airport - Gilbert Field25 mi away
- TPA · Tampa International Airport70 mi away
Frequently asked questions
How far is GAI from ISM?
The flight distance from Gaithersburg (GAI) to Kissimmee (ISM) is 790 miles (1,272 km, 687 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAI to ISM?
A nonstop flight takes about 2h 11m 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 cheapest way to fly from GAI to ISM?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAI–ISM that never appear on search engines, with no booking fees.