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RMA to CEI: distance & flight time
Roma (Roma Airport) → Chiang Rai (Chiang Rai International Airport)
4,588 mi
7,383 km · 3,987 nm
9h 28m
estimated nonstop flight time
-3h
time difference · heading northwest
See live RMA→CEI fares Phone-only fares on this route — call free
Flight time details
4,588 miles nonstop takes roughly 9h 28m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 3-hour time set-back when reading arrival times on your ticket.
The two airports
- RMA — Roma Airport · Roma, Australia
- CEI — Chiang Rai International Airport · Chiang Rai, 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 RMA
- XTO · Taroom Airport87 mi away
- SGO · St George Airport105 mi away
- CCL · Chinchilla Airport115 mi away
- TDR · Theodore Airport135 mi away
Near CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 mi away
Frequently asked questions
How far is RMA from CEI?
The flight distance from Roma (RMA) to Chiang Rai (CEI) is 4,588 miles (7,383 km, 3,987 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RMA to CEI?
A nonstop flight takes about 9h 28m 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 Roma and Chiang Rai?
Chiang Rai is 3 hours behind Roma.
What is the cheapest way to fly from RMA to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RMA–CEI that never appear on search engines, with no booking fees.