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AZO to OPO: distance & flight time
Kalamazoo (Kalamazoo Battle Creek International Airport) → Porto (Francisco de Sá Carneiro Airport)
3,819 mi
6,146 km · 3,319 nm
7h 57m
estimated nonstop flight time
+5h
time difference · heading northeast
See live AZO→OPO fares Phone-only fares on this route — call free
Flight time details
3,819 miles nonstop takes roughly 7h 57m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- AZO — Kalamazoo Battle Creek International Airport · Kalamazoo, 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 AZO
- BTL · W K Kellogg Airport16 mi away
- EKI · Elkhart Municipal Airport42 mi away
- GRR · Gerald R. Ford International Airport45 mi away
- ANQ · Tri State Steuben County Airport48 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 AZO from OPO?
The flight distance from Kalamazoo (AZO) to Porto (OPO) is 3,819 miles (6,146 km, 3,319 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from AZO to OPO?
A nonstop flight takes about 7h 57m 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 Kalamazoo and Porto?
Porto is 5 hours ahead of Kalamazoo.
What is the cheapest way to fly from AZO to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on AZO–OPO that never appear on search engines, with no booking fees.