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ADT to OPO: distance & flight time
Ada (Ada Regional Airport) → Porto (Francisco de Sá Carneiro Airport)
4,598 mi
7,400 km · 3,996 nm
9h 29m
estimated nonstop flight time
+6h
time difference · heading northeast
See live ADT→OPO fares Phone-only fares on this route — call free
Flight time details
4,598 miles nonstop takes roughly 9h 29m 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
- ADT — Ada Regional Airport · Ada, 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 ADT
- ADM · Ardmore Municipal Airport40 mi away
- MLC · Mc Alester Regional Airport51 mi away
- TIK · Tinker Air Force Base58 mi away
- OKC · Will Rogers World Airport66 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 ADT from OPO?
The flight distance from Ada (ADT) to Porto (OPO) is 4,598 miles (7,400 km, 3,996 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from ADT to OPO?
A nonstop flight takes about 9h 29m 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 Ada and Porto?
Porto is 6 hours ahead of Ada.
What is the cheapest way to fly from ADT to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on ADT–OPO that never appear on search engines, with no booking fees.