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USM to PHD: distance & flight time
Ko Samui (Samui Airport) → New Philadelpha (Harry Clever Field)
8,980 mi
14,451 km · 7,803 nm
18h 4m
estimated nonstop flight time
-11h
time difference · heading north
See live USM→PHD fares Phone-only fares on this route — call free
Flight time details
8,980 miles nonstop takes roughly 18h 4m 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
- PHD — Harry Clever Field · New Philadelpha, 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 PHD
- CAK · Akron Canton Regional Airport31 mi away
- AKC · Akron Fulton International Airport39 mi away
- ZZV · Zanesville Municipal Airport44 mi away
- HLG · Wheeling Ohio County Airport46 mi away
Frequently asked questions
How far is USM from PHD?
The flight distance from Ko Samui (USM) to New Philadelpha (PHD) is 8,980 miles (14,451 km, 7,803 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from USM to PHD?
A nonstop flight takes about 18h 4m 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 New Philadelpha?
New Philadelpha is 11 hours behind Ko Samui.
What is the cheapest way to fly from USM to PHD?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on USM–PHD that never appear on search engines, with no booking fees.