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HEX to SMN: distance & flight time
Santo Domingo (Herrera Airport) → Salmon (Lemhi County Airport)
3,112 mi
5,008 km · 2,704 nm
6h 34m
estimated nonstop flight time
-2h
time difference · heading northwest
See live HEX→SMN fares Phone-only fares on this route — call free
Flight time details
3,112 miles nonstop takes roughly 6h 34m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2-hour time set-back when reading arrival times on your ticket.
The two airports
- HEX — Herrera Airport · Santo Domingo, Dominican Republic
- SMN — Lemhi County Airport · Salmon, 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 HEX
Near SMN
- BTM · Bert Mooney Airport88 mi away
- MYL · McCall Municipal Airport110 mi away
- SUN · Friedman Memorial Airport114 mi away
- MSO · Missoula International Airport124 mi away
Frequently asked questions
How far is HEX from SMN?
The flight distance from Santo Domingo (HEX) to Salmon (SMN) is 3,112 miles (5,008 km, 2,704 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HEX to SMN?
A nonstop flight takes about 6h 34m 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 Santo Domingo and Salmon?
Salmon is 2 hours behind Santo Domingo.
What is the cheapest way to fly from HEX to SMN?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HEX–SMN that never appear on search engines, with no booking fees.