Need help booking?
Unpublished phone-only deals available
BLT to OPO: distance & flight time
Blackwater (Blackwater Airport) → Porto (Francisco de Sá Carneiro Airport)
10,655 mi
17,148 km · 9,259 nm
21h 22m
estimated nonstop flight time
-9h
time difference · heading northwest
See live BLT→OPO fares Phone-only fares on this route — call free
Flight time details
10,655 miles nonstop takes roughly 21h 22m gate to gate, flying northwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 9-hour time set-back when reading arrival times on your ticket.
The two airports
- BLT — Blackwater Airport · Blackwater, Australia
- 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 BLT
- EMD · Emerald Airport40 mi away
- DYA · Dysart Airport73 mi away
- CMQ · Clermont Airport95 mi away
- ROK · Rockhampton Airport107 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 BLT from OPO?
The flight distance from Blackwater (BLT) to Porto (OPO) is 10,655 miles (17,148 km, 9,259 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BLT to OPO?
A nonstop flight takes about 21h 22m 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 Blackwater and Porto?
Porto is 9 hours behind Blackwater.
What is the cheapest way to fly from BLT to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BLT–OPO that never appear on search engines, with no booking fees.