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TXN to OPO: distance & flight time
Huangshan (Tunxi International Airport) → Porto (Francisco de Sá Carneiro Airport)
6,477 mi
10,424 km · 5,629 nm
13h 10m
estimated nonstop flight time
-7h
time difference · heading northwest
See live TXN→OPO fares Phone-only fares on this route — call free
Flight time details
6,477 miles nonstop takes roughly 13h 10m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time set-back when reading arrival times on your ticket.
The two airports
- TXN — Tunxi International Airport · Huangshan, China
- OPO — Francisco de Sá Carneiro Airport · Porto, Portugal
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 TXN
- JUZ · Quzhou Airport66 mi away
- JDZ · Jingdezhen Airport70 mi away
- JUH · Jiuhuashan Airport77 mi away
- AQG · Anqing Tianzhushan Airport93 mi away
Near OPO
- BGZ · Braga Municipal Aerodrome26 mi away
- VRL · Vila Real Airport50 mi away
- VSE · Aerodromo Goncalves Lobato (Viseu Airport)55 mi away
- VGO · Vigo Airport68 mi away
Frequently asked questions
How far is TXN from OPO?
The flight distance from Huangshan (TXN) to Porto (OPO) is 6,477 miles (10,424 km, 5,629 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from TXN to OPO?
A nonstop flight takes about 13h 10m 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 Huangshan and Porto?
Porto is 7 hours behind Huangshan.
What is the cheapest way to fly from TXN to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on TXN–OPO that never appear on search engines, with no booking fees.