Need help booking?
Unpublished phone-only deals available
ISM to NST: distance & flight time
Kissimmee (Kissimmee Gateway Airport) → Nakhon Si Thammarat (Nakhon Si Thammarat Airport)
9,890 mi
15,917 km · 8,595 nm
19h 52m
estimated nonstop flight time
+11h
time difference · heading north
See live ISM→NST fares Phone-only fares on this route — call free
Flight time details
9,890 miles nonstop takes roughly 19h 52m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time gain when reading arrival times on your ticket.
The two airports
- ISM — Kissimmee Gateway Airport · Kissimmee, United States
- NST — Nakhon Si Thammarat Airport · Nakhon Si Thammarat, Thailand
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 ISM
- MCO · Orlando International Airport12 mi away
- ORL · Orlando Executive Airport19 mi away
- GIF · Winter Haven Regional Airport - Gilbert Field25 mi away
- TPA · Tampa International Airport70 mi away
Near NST
- URT · Surat Thani Airport69 mi away
- USM · Samui Airport70 mi away
- KBV · Krabi Airport72 mi away
- TST · Trang Airport75 mi away
Frequently asked questions
How far is ISM from NST?
The flight distance from Kissimmee (ISM) to Nakhon Si Thammarat (NST) is 9,890 miles (15,917 km, 8,595 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ISM to NST?
A nonstop flight takes about 19h 52m 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 Kissimmee and Nakhon Si Thammarat?
Nakhon Si Thammarat is 11 hours ahead of Kissimmee.
What is the cheapest way to fly from ISM to NST?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ISM–NST that never appear on search engines, with no booking fees.