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HPH to OPO: distance & flight time
Haiphong (Cat Bi International Airport) → Porto (Francisco de Sá Carneiro Airport)
6,485 mi
10,436 km · 5,635 nm
13h 11m
estimated nonstop flight time
-6h
time difference · heading northwest
See live HPH→OPO fares Phone-only fares on this route — call free
Flight time details
6,485 miles nonstop takes roughly 13h 11m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 6-hour time set-back when reading arrival times on your ticket.
The two airports
- HPH — Cat Bi International Airport · Haiphong, Vietnam
- 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 HPH
- HAN · Noi Bai International Airport65 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 HPH from OPO?
The flight distance from Haiphong (HPH) to Porto (OPO) is 6,485 miles (10,436 km, 5,635 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HPH to OPO?
A nonstop flight takes about 13h 11m 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 Haiphong and Porto?
Porto is 6 hours behind Haiphong.
What is the cheapest way to fly from HPH to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HPH–OPO that never appear on search engines, with no booking fees.