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USM to ROC: distance & flight time
Ko Samui (Samui Airport) → Rochester (Greater Rochester International Airport)
8,795 mi
14,154 km · 7,643 nm
17h 43m
estimated nonstop flight time
-11h
time difference · heading north
See live USM→ROC fares Phone-only fares on this route — call free
Flight time details
8,795 miles nonstop takes roughly 17h 43m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time set-back when reading arrival times on your ticket.
The two airports
- USM — Samui Airport · Ko Samui, Thailand
- ROC — Greater Rochester International Airport · Rochester, 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 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 ROC
- BUF · Buffalo Niagara International Airport55 mi away
- IAG · Niagara Falls International Airport64 mi away
- YYZ · Lester B. Pearson International Airport106 mi away
- YTR · CFB Trenton69 mi away
Frequently asked questions
How far is USM from ROC?
The flight distance from Ko Samui (USM) to Rochester (ROC) is 8,795 miles (14,154 km, 7,643 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to ROC?
A nonstop flight takes about 17h 43m 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 Rochester?
Rochester is 11 hours behind Ko Samui.
What is the cheapest way to fly from USM to ROC?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–ROC that never appear on search engines, with no booking fees.