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SMF to OPO: distance & flight time
Sacramento (Sacramento International Airport) → Porto (Francisco de Sá Carneiro Airport)
5,487 mi
8,830 km · 4,768 nm
11h 14m
estimated nonstop flight time
+8h
time difference · heading northeast
See live SMF→OPO fares Phone-only fares on this route — call free
Flight time details
5,487 miles nonstop takes roughly 11h 14m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 8-hour time gain when reading arrival times on your ticket.
The two airports
- SMF — Sacramento International Airport · Sacramento, 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 SMF
- MCC · Mc Clellan Airfield10 mi away
- SAC · Sacramento Executive Airport14 mi away
- MHR · Sacramento Mather Airport19 mi away
- MYV · Yuba County Airport28 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 SMF from OPO?
The flight distance from Sacramento (SMF) to Porto (OPO) is 5,487 miles (8,830 km, 4,768 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from SMF to OPO?
A nonstop flight takes about 11h 14m 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 Sacramento and Porto?
Porto is 8 hours ahead of Sacramento.
What is the cheapest way to fly from SMF to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on SMF–OPO that never appear on search engines, with no booking fees.