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CNM to OPO: distance & flight time
Carlsbad (Cavern City Air Terminal) → Porto (Francisco de Sá Carneiro Airport)
5,050 mi
8,127 km · 4,388 nm
10h 22m
estimated nonstop flight time
+7h
time difference · heading northeast
See live CNM→OPO fares Phone-only fares on this route — call free
Flight time details
5,050 miles nonstop takes roughly 10h 22m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 7-hour time gain when reading arrival times on your ticket.
The two airports
- CNM — Cavern City Air Terminal · Carlsbad, 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 CNM
- HOB · Lea County Regional Airport66 mi away
- ROW · Roswell International Air Center Airport68 mi away
- INK · Winkler County Airport73 mi away
- PEQ · Pecos Municipal Airport79 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 CNM from OPO?
The flight distance from Carlsbad (CNM) to Porto (OPO) is 5,050 miles (8,127 km, 4,388 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CNM to OPO?
A nonstop flight takes about 10h 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 Carlsbad and Porto?
Porto is 7 hours ahead of Carlsbad.
What is the cheapest way to fly from CNM to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CNM–OPO that never appear on search engines, with no booking fees.