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PRM to CNX: distance & flight time
Portimao (Portimão Airport) → Chiang Mai (Chiang Mai International Airport)
6,350 mi
10,219 km · 5,518 nm
12h 55m
estimated nonstop flight time
+6h
time difference · heading northeast
See live PRM→CNX fares Phone-only fares on this route — call free
Flight time details
6,350 miles nonstop takes roughly 12h 55m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time gain when reading arrival times on your ticket.
The two airports
- PRM — Portimão Airport · Portimao, Portugal
- CNX — Chiang Mai International Airport · Chiang Mai, 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 PRM
- FAO · Faro Airport35 mi away
- BYJ · Beja Airport / Airbase73 mi away
- CAT · Cascais Airport117 mi away
- LIS · Humberto Delgado Airport (Lisbon Portela Airport)117 mi away
Near CNX
- LPT · Lampang Airport49 mi away
- PYY · Mae Hong Son Airport54 mi away
- HGN · Mae Hong Son Airport74 mi away
- PRH · Phrae Airport90 mi away
Frequently asked questions
How far is PRM from CNX?
The flight distance from Portimao (PRM) to Chiang Mai (CNX) is 6,350 miles (10,219 km, 5,518 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from PRM to CNX?
A nonstop flight takes about 12h 55m 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 Portimao and Chiang Mai?
Chiang Mai is 6 hours ahead of Portimao.
What is the cheapest way to fly from PRM to CNX?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on PRM–CNX that never appear on search engines, with no booking fees.