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ISM to ISN: distance & flight time
Kissimmee (Kissimmee Gateway Airport) → Williston (Sloulin Field International Airport)
1,814 mi
2,920 km · 1,577 nm
4h 1m
estimated nonstop flight time
-1h
time difference · heading northwest
See live ISM→ISN fares Phone-only fares on this route — call free
Flight time details
1,814 miles nonstop takes roughly 4h 1m gate to gate, flying northwest. 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
- ISM — Kissimmee Gateway Airport · Kissimmee, United States
- ISN — Sloulin Field International Airport · Williston, 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 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 ISN
- SDY · Sidney - Richland Regional Airport41 mi away
- YEN · Estevan Airport78 mi away
- OLF · L M Clayton Airport89 mi away
- GDV · Dawson Community Airport90 mi away
Frequently asked questions
How far is ISM from ISN?
The flight distance from Kissimmee (ISM) to Williston (ISN) is 1,814 miles (2,920 km, 1,577 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISM to ISN?
A nonstop flight takes about 4h 1m 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 Williston?
Williston is 1 hour behind Kissimmee.
What is the cheapest way to fly from ISM to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISM–ISN that never appear on search engines, with no booking fees.