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CGN to ROI: distance & flight time
Cologne (Cologne Bonn Airport) → Roi Et (Roi Et Airport)
5,641 mi
9,079 km · 4,902 nm
11h 32m
estimated nonstop flight time
+5h
time difference · heading east
See live CGN→ROI fares Phone-only fares on this route — call free
Flight time details
5,641 miles nonstop takes roughly 11h 32m gate to gate, flying east. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- CGN — Cologne Bonn Airport · Cologne, Germany
- 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 CGN
- BNJ · Bonn-Hangelar Airport7 mi away
- DUS · Düsseldorf Airport34 mi away
- MGL · Mönchengladbach Airport37 mi away
- ESS · Essen Mulheim Airport38 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 CGN from ROI?
The flight distance from Cologne (CGN) to Roi Et (ROI) is 5,641 miles (9,079 km, 4,902 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CGN to ROI?
A nonstop flight takes about 11h 32m 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 Cologne and Roi Et?
Roi Et is 5 hours ahead of Cologne.
What is the cheapest way to fly from CGN to ROI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CGN–ROI that never appear on search engines, with no booking fees.