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CNG to OPO: distance & flight time
Cognac (Cognac-Châteaubernard (BA 709) Air Base) → Porto (Francisco de Sá Carneiro Airport)
518 mi
834 km · 450 nm
1h 36m
estimated nonstop flight time
-1h
time difference · heading southwest
See live CNG→OPO fares Phone-only fares on this route — call free
Flight time details
518 miles nonstop takes roughly 1h 36m gate to gate, flying southwest. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 1-hour time set-back when reading arrival times on your ticket.
The two airports
- CNG — Cognac-Châteaubernard (BA 709) Air Base · Cognac, France
- 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 CNG
- ANG · Angoulême-Brie-Champniers Airport26 mi away
- RYN · Royan-Médis Airport32 mi away
- RCO · Rochefort-Saint-Agnant (BA 721) Airport36 mi away
- NIT · Niort-Souché Airport45 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 CNG from OPO?
The flight distance from Cognac (CNG) to Porto (OPO) is 518 miles (834 km, 450 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from CNG to OPO?
A nonstop flight takes about 1h 36m 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 Cognac and Porto?
Porto is 1 hour behind Cognac.
What is the cheapest way to fly from CNG to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on CNG–OPO that never appear on search engines, with no booking fees.