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ISN to RIA: distance & flight time
Williston (Sloulin Field International Airport) → Santa Maria (Santa Maria Airport)
6,205 mi
9,987 km · 5,392 nm
12h 38m
estimated nonstop flight time
+2h
time difference · heading southeast
See live ISN→RIA fares Phone-only fares on this route — call free
Flight time details
6,205 miles nonstop takes roughly 12h 38m gate to gate, flying southeast. 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
- ISN — Sloulin Field International Airport · Williston, United States
- RIA — Santa Maria Airport · Santa Maria, Brazil
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 RIA
- GEL · Santo Ângelo Airport103 mi away
- BGX · Comandante Gustavo Kraemer Airport119 mi away
- PFB · Lauro Kurtz Airport131 mi away
- SRA · Santa Rosa Airport134 mi away
Frequently asked questions
How far is ISN from RIA?
The flight distance from Williston (ISN) to Santa Maria (RIA) is 6,205 miles (9,987 km, 5,392 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISN to RIA?
A nonstop flight takes about 12h 38m 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 Williston and Santa Maria?
Santa Maria is 2 hours ahead of Williston.
What is the cheapest way to fly from ISN to RIA?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISN–RIA that never appear on search engines, with no booking fees.