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HAO to OPO: distance & flight time
Hamilton (Butler Co Regional Airport - Hogan Field) → Porto (Francisco de Sá Carneiro Airport)
3,864 mi
6,218 km · 3,357 nm
8h 3m
estimated nonstop flight time
+5h
time difference · heading northeast
See live HAO→OPO fares Phone-only fares on this route — call free
Flight time details
3,864 miles nonstop takes roughly 8h 3m gate to gate, flying northeast. Add 45–90 minutes per connection if there's no nonstop service. Remember to factor the 5-hour time gain when reading arrival times on your ticket.
The two airports
- HAO — Butler Co Regional Airport - Hogan Field · Hamilton, 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 HAO
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 HAO from OPO?
The flight distance from Hamilton (HAO) to Porto (OPO) is 3,864 miles (6,218 km, 3,357 nautical miles), measured along the great-circle route airlines actually fly.
How long is the flight from HAO to OPO?
A nonstop flight takes about 8h 3m 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 Hamilton and Porto?
Porto is 5 hours ahead of Hamilton.
What is the cheapest way to fly from HAO to OPO?
Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on HAO–OPO that never appear on search engines, with no booking fees.