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APC to ISN: distance & flight time
Napa (Napa County Airport) → Williston (Sloulin Field International Airport)
1,159 mi
1,866 km · 1,007 nm
2h 59m
estimated nonstop flight time
+2h
time difference · heading northeast
See live APC→ISN fares Phone-only fares on this route — call free
Flight time details
1,159 miles nonstop takes roughly 2h 59m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time gain when reading arrival times on your ticket.
The two airports
- APC — Napa County Airport · Napa, 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 APC
- SFO · San Francisco International Airport41 mi away
- NOT · Marin County Airport - Gnoss Field16 mi away
- SUU · Travis Air Force Base20 mi away
- CCR · Buchanan Field20 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 APC from ISN?
The flight distance from Napa (APC) to Williston (ISN) is 1,159 miles (1,866 km, 1,007 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from APC to ISN?
A nonstop flight takes about 2h 59m 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 Napa and Williston?
Williston is 2 hours ahead of Napa.
What is the cheapest way to fly from APC to ISN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on APC–ISN that never appear on search engines, with no booking fees.