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PHL to ROI: distance & flight time
Philadelphia (Philadelphia International Airport) → Roi Et (Roi Et Airport)
8,568 mi
13,789 km · 7,445 nm
17h 16m
estimated nonstop flight time
+11h
time difference · heading north
See live PHL→ROI fares Phone-only fares on this route — call free
Flight time details
8,568 miles nonstop takes roughly 17h 16m 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
- PHL — Philadelphia International Airport · Philadelphia, 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 PHL
- BBX · Wings Field18 mi away
- PNE · Northeast Philadelphia Airport19 mi away
- LLY · South Jersey Regional Airport22 mi away
- NXX · Willow Grove Naval Air Station/Joint Reserve Base23 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 PHL from ROI?
The flight distance from Philadelphia (PHL) to Roi Et (ROI) is 8,568 miles (13,789 km, 7,445 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PHL to ROI?
A nonstop flight takes about 17h 16m 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 Philadelphia and Roi Et?
Roi Et is 11 hours ahead of Philadelphia.
What is the cheapest way to fly from PHL to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PHL–ROI that never appear on search engines, with no booking fees.