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CEI to GAI: distance & flight time
Chiang Rai (Chiang Rai International Airport) → Gaithersburg (Montgomery County Airpark)
8,348 mi
13,434 km · 7,254 nm
16h 50m
estimated nonstop flight time
-11h
time difference · heading north
See live CEI→GAI fares Phone-only fares on this route — call free
Flight time details
8,348 miles nonstop takes roughly 16h 50m gate to gate, flying north. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 11-hour time set-back when reading arrival times on your ticket.
The two airports
- CEI — Chiang Rai International Airport · Chiang Rai, Thailand
- GAI — Montgomery County Airpark · Gaithersburg, United States
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 CEI
- THL · Tachileik Airport37 mi away
- HOE · Ban Huoeisay Airport42 mi away
- MOG · Mong Hsat Airport56 mi away
- KET · Kengtung Airport95 mi away
Near GAI
Frequently asked questions
How far is CEI from GAI?
The flight distance from Chiang Rai (CEI) to Gaithersburg (GAI) is 8,348 miles (13,434 km, 7,254 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CEI to GAI?
A nonstop flight takes about 16h 50m 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 Chiang Rai and Gaithersburg?
Gaithersburg is 11 hours behind Chiang Rai.
What is the cheapest way to fly from CEI to GAI?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CEI–GAI that never appear on search engines, with no booking fees.