Need help booking?
Unpublished phone-only deals available
ISN to OKK: distance & flight time
Williston (Sloulin Field International Airport) → Kokomo (Kokomo Municipal Airport)
1,013 mi
1,631 km · 881 nm
2h 40m
estimated nonstop flight time
—
time difference · heading southeast
See live ISN→OKK fares Phone-only fares on this route — call free
Flight time details
1,013 miles nonstop takes roughly 2h 40m gate to gate, flying southeast. 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
- ISN — Sloulin Field International Airport · Williston, United States
- OKK — Kokomo Municipal Airport · Kokomo, 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 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
Near OKK
- GUS · Grissom Air Reserve Base10 mi away
- AID · Anderson Municipal Darlington Field37 mi away
- MIE · Delaware County Johnson Field40 mi away
- LAF · Purdue University Airport47 mi away
Frequently asked questions
How far is ISN from OKK?
The flight distance from Williston (ISN) to Kokomo (OKK) is 1,013 miles (1,631 km, 881 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to OKK?
A nonstop flight takes about 2h 40m 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 ISN to OKK?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–OKK that never appear on search engines, with no booking fees.