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PHD to ROI: distance & flight time
New Philadelpha (Harry Clever Field) → Roi Et (Roi Et Airport)
8,513 mi
13,700 km · 7,397 nm
17h 10m
estimated nonstop flight time
+11h
time difference · heading north
See live PHD→ROI fares Phone-only fares on this route — call free
Flight time details
8,513 miles nonstop takes roughly 17h 10m 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
- PHD — Harry Clever Field · New Philadelpha, United States
- ROI — Roi Et Airport · Roi Et, 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 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
Near ROI
- KKC · Khon Kaen Airport70 mi away
- BFV · Buri Ram Airport70 mi away
- ZVK · Savannakhet Airport72 mi away
- SNO · Sakon Nakhon Airport78 mi away
Frequently asked questions
How far is PHD from ROI?
The flight distance from New Philadelpha (PHD) to Roi Et (ROI) is 8,513 miles (13,700 km, 7,397 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHD to ROI?
A nonstop flight takes about 17h 10m 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 New Philadelpha and Roi Et?
Roi Et is 11 hours ahead of New Philadelpha.
What is the cheapest way to fly from PHD to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHD–ROI that never appear on search engines, with no booking fees.