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USM to KHT: distance & flight time
Ko Samui (Samui Airport) → Khost (Khost Airport)
2,522 mi
4,058 km · 2,191 nm
5h 25m
estimated nonstop flight time
-2.5h
time difference · heading northwest
See live USM→KHT fares Phone-only fares on this route — call free
Flight time details
2,522 miles nonstop takes roughly 5h 25m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 2.5-hour time set-back when reading arrival times on your ticket.
The two airports
- USM — Samui Airport · Ko Samui, Thailand
- KHT — Khost Airport · Khost, Afghanistan
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 USM
- URT · Surat Thani Airport69 mi away
- NST · Nakhon Si Thammarat Airport70 mi away
- CJM · Chumphon Airport93 mi away
- UNN · Ranong Airport102 mi away
Near KHT
- PAJ · Parachinar Airport40 mi away
- BNP · Bannu Airport42 mi away
- OAA · Shank Air Base65 mi away
- OAS · Sharana Airstrip66 mi away
Frequently asked questions
How far is USM from KHT?
The flight distance from Ko Samui (USM) to Khost (KHT) is 2,522 miles (4,058 km, 2,191 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to KHT?
A nonstop flight takes about 5h 25m 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 Ko Samui and Khost?
Khost is 2.5 hours behind Ko Samui.
What is the cheapest way to fly from USM to KHT?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–KHT that never appear on search engines, with no booking fees.