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GAU to OPO: distance & flight time
Guwahati (Lokpriya Gopinath Bordoloi International Airport) → Porto (Francisco de Sá Carneiro Airport)
5,543 mi
8,921 km · 4,817 nm
11h 20m
estimated nonstop flight time
-4.5h
time difference · heading northwest
See live GAU→OPO fares Phone-only fares on this route — call free
Flight time details
5,543 miles nonstop takes roughly 11h 20m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 4.5-hour time set-back when reading arrival times on your ticket.
The two airports
- GAU — Lokpriya Gopinath Bordoloi International Airport · Guwahati, India
- 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 GAU
- SHL · Shillong Airport37 mi away
- ZYL · Osmany International Airport81 mi away
- TEZ · Tezpur Airport85 mi away
- GLU · Gelephu Airport88 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 GAU from OPO?
The flight distance from Guwahati (GAU) to Porto (OPO) is 5,543 miles (8,921 km, 4,817 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from GAU to OPO?
A nonstop flight takes about 11h 20m 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 Guwahati and Porto?
Porto is 4.5 hours behind Guwahati.
What is the cheapest way to fly from GAU to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on GAU–OPO that never appear on search engines, with no booking fees.