Need help booking?
Unpublished phone-only deals available
OPO to NRB: distance & flight time
Porto (Francisco de Sá Carneiro Airport) → Mayport (Naval Station Mayport (Admiral David L. Mcdonald Field))
4,026 mi
6,479 km · 3,498 nm
8h 22m
estimated nonstop flight time
—
time difference · heading west
See live OPO→NRB fares Phone-only fares on this route — call free
Flight time details
4,026 miles nonstop takes roughly 8h 22m gate to gate, flying west. Add 45–90 minutes per connection if there's no nonstop service. Both airports share the same local time, so schedules read exactly as flown.
The two airports
- OPO — Francisco de Sá Carneiro Airport · Porto, Portugal
- NRB — Naval Station Mayport (Admiral David L. Mcdonald Field) · Mayport, United States
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 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
Near NRB
- CRG · Jacksonville Executive at Craig Airport7 mi away
- JAX · Jacksonville International Airport17 mi away
- NIP · Jacksonville Naval Air Station (Towers Field)19 mi away
- VQQ · Cecil Airport29 mi away
Frequently asked questions
How far is OPO from NRB?
The flight distance from Porto (OPO) to Mayport (NRB) is 4,026 miles (6,479 km, 3,498 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from OPO to NRB?
A nonstop flight takes about 8h 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 cheapest way to fly from OPO to NRB?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on OPO–NRB that never appear on search engines, with no booking fees.