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FSI to HEX: distance & flight time
Fort Sill (Henry Post Army Air Field (Fort Sill)) → Santo Domingo (Herrera Airport)
2,071 mi
3,333 km · 1,800 nm
4h 32m
estimated nonstop flight time
+1h
time difference · heading southeast
See live FSI→HEX fares Phone-only fares on this route — call free
Flight time details
2,071 miles nonstop takes roughly 4h 32m gate to gate, flying southeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time gain when reading arrival times on your ticket.
The two airports
- FSI — Henry Post Army Air Field (Fort Sill) · Fort Sill, United States
- HEX — Herrera Airport · Santo Domingo, Dominican Republic
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 FSI
- LAW · Lawton Fort Sill Regional Airport6 mi away
- DUC · Halliburton Field28 mi away
- HBR · Hobart Regional Airport44 mi away
- SPS · Sheppard Air Force Base-Wichita Falls Municipal Airport46 mi away
Near HEX
Frequently asked questions
How far is FSI from HEX?
The flight distance from Fort Sill (FSI) to Santo Domingo (HEX) is 2,071 miles (3,333 km, 1,800 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from FSI to HEX?
A nonstop flight takes about 4h 32m 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 Fort Sill and Santo Domingo?
Santo Domingo is 1 hour ahead of Fort Sill.
What is the cheapest way to fly from FSI to HEX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on FSI–HEX that never appear on search engines, with no booking fees.