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BIS to OPO: distance & flight time
Bismarck (Bismarck Municipal Airport) → Porto (Francisco de Sá Carneiro Airport)
4,318 mi
6,949 km · 3,752 nm
8h 56m
estimated nonstop flight time
+6h
time difference · heading northeast
See live BIS→OPO fares Phone-only fares on this route — call free
Flight time details
4,318 miles nonstop takes roughly 8h 56m 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
- BIS — Bismarck Municipal Airport · Bismarck, United States
- 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 BIS
- MBG · Mobridge Municipal Airport86 mi away
- DIK · Dickinson Theodore Roosevelt Regional Airport97 mi away
- JMS · Jamestown Regional Airport98 mi away
- MOT · Minot International Airport106 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 BIS from OPO?
The flight distance from Bismarck (BIS) to Porto (OPO) is 4,318 miles (6,949 km, 3,752 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from BIS to OPO?
A nonstop flight takes about 8h 56m 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 Bismarck and Porto?
Porto is 6 hours ahead of Bismarck.
What is the cheapest way to fly from BIS to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BIS–OPO that never appear on search engines, with no booking fees.