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ISM to GRS: distance & flight time
Kissimmee (Kissimmee Gateway Airport) → Grosseto (Grosseto Air Base)
5,039 mi
8,110 km · 4,379 nm
10h 21m
estimated nonstop flight time
+6h
time difference · heading northeast
See live ISM→GRS fares Phone-only fares on this route — call free
Flight time details
5,039 miles nonstop takes roughly 10h 21m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- ISM — Kissimmee Gateway Airport · Kissimmee, United States
- GRS — Grosseto Air Base · Grosseto, Italy
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 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
Near GRS
- SAY · Siena-Ampugnano Airport36 mi away
- EBA · Marina Di Campo Airport42 mi away
- FCO · Leonardo da Vinci–Fiumicino Airport89 mi away
- PSA · Pisa International Airport72 mi away
Frequently asked questions
How far is ISM from GRS?
The flight distance from Kissimmee (ISM) to Grosseto (GRS) is 5,039 miles (8,110 km, 4,379 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISM to GRS?
A nonstop flight takes about 10h 21m 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 Kissimmee and Grosseto?
Grosseto is 6 hours ahead of Kissimmee.
What is the cheapest way to fly from ISM to GRS?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISM–GRS that never appear on search engines, with no booking fees.