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ISN to GDC: distance & flight time
Williston (Sloulin Field International Airport) → Greenville (Donaldson Field Airport)
1,431 mi
2,303 km · 1,243 nm
3h 35m
estimated nonstop flight time
—
time difference · heading southeast
See live ISN→GDC fares Phone-only fares on this route — call free
Flight time details
1,431 miles nonstop takes roughly 3h 35m 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
- GDC — Donaldson Field Airport · Greenville, 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 GDC
Frequently asked questions
How far is ISN from GDC?
The flight distance from Williston (ISN) to Greenville (GDC) is 1,431 miles (2,303 km, 1,243 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to GDC?
A nonstop flight takes about 3h 35m 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 GDC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–GDC that never appear on search engines, with no booking fees.