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ECA to OPO: distance & flight time
East Tawas (Iosco County Airport) → Porto (Francisco de Sá Carneiro Airport)
3,660 mi
5,890 km · 3,181 nm
7h 39m
estimated nonstop flight time
+5h
time difference · heading northeast
See live ECA→OPO fares Phone-only fares on this route — call free
Flight time details
3,660 miles nonstop takes roughly 7h 39m 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
- ECA — Iosco County Airport · East Tawas, 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 ECA
- OSC · Oscoda Wurtsmith Airport10 mi away
- APN · Alpena County Regional Airport53 mi away
- GDW · Gladwin Zettel Memorial Airport57 mi away
- HTL · Roscommon County - Blodgett Memorial Airport62 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 ECA from OPO?
The flight distance from East Tawas (ECA) to Porto (OPO) is 3,660 miles (5,890 km, 3,181 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ECA to OPO?
A nonstop flight takes about 7h 39m 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 East Tawas and Porto?
Porto is 5 hours ahead of East Tawas.
What is the cheapest way to fly from ECA to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ECA–OPO that never appear on search engines, with no booking fees.