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RKD to CEI: distance & flight time
Rockland (Knox County Regional Airport) → Chiang Rai (Chiang Rai International Airport)
7,959 mi
12,809 km · 6,916 nm
16h 4m
estimated nonstop flight time
+11h
time difference · heading north
See live RKD→CEI fares Phone-only fares on this route — call free
Flight time details
7,959 miles nonstop takes roughly 16h 4m 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
- RKD — Knox County Regional Airport · Rockland, United States
- 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 RKD
- AUG · Augusta State Airport39 mi away
- NHZ · Brunswick Executive Airport43 mi away
- BHB · Hancock County-Bar Harbor Airport45 mi away
- BGR · Bangor International Airport53 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 RKD from CEI?
The flight distance from Rockland (RKD) to Chiang Rai (CEI) is 7,959 miles (12,809 km, 6,916 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from RKD to CEI?
A nonstop flight takes about 16h 4m 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 Rockland and Chiang Rai?
Chiang Rai is 11 hours ahead of Rockland.
What is the cheapest way to fly from RKD to CEI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on RKD–CEI that never appear on search engines, with no booking fees.