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ROI to LHR: distance & flight time
Roi Et (Roi Et Airport) → London (London Heathrow Airport)
5,941 mi
9,561 km · 5,163 nm
12h 7m
estimated nonstop flight time
-6h
time difference · heading northwest
See live ROI→LHR fares Phone-only fares on this route — call free
Flight time details
5,941 miles nonstop takes roughly 12h 7m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- ROI — Roi Et Airport · Roi Et, Thailand
- LHR — London Heathrow Airport · London, United Kingdom
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 ROI
- KKC · Khon Kaen Airport70 mi away
- BFV · Buri Ram Airport70 mi away
- ZVK · Savannakhet Airport72 mi away
- SNO · Sakon Nakhon Airport78 mi away
Near LHR
- LGW · London Gatwick Airport25 mi away
- NHT · RAF Northolt6 mi away
- HYC · Wycombe Air Park18 mi away
- FAB · Farnborough Airport19 mi away
Frequently asked questions
How far is ROI from LHR?
The flight distance from Roi Et (ROI) to London (LHR) is 5,941 miles (9,561 km, 5,163 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ROI to LHR?
A nonstop flight takes about 12h 7m 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 Roi Et and London?
London is 6 hours behind Roi Et.
What is the cheapest way to fly from ROI to LHR?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ROI–LHR that never appear on search engines, with no booking fees.