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BTM to OPO: distance & flight time

Butte (Bert Mooney Airport) → Porto (Francisco de Sá Carneiro Airport)

4,807 mi
7,736 km · 4,177 nm
9h 53m
estimated nonstop flight time
+7h
time difference · heading northeast
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Flight time details

4,807 miles nonstop takes roughly 9h 53m 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.

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The two airports

Distances are great-circle ("as the crow flies") — the same basis airlines use for frequent-flyer miles.

Alternate airports can cut this fare

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Frequently asked questions

How far is BTM from OPO?

The flight distance from Butte (BTM) to Porto (OPO) is 4,807 miles (7,736 km, 4,177 nautical miles), measured along the great-circle route airlines actually fly.

How long is the flight from BTM to OPO?

A nonstop flight takes about 9h 53m 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 Butte and Porto?

Porto is 7 hours ahead of Butte.

What is the cheapest way to fly from BTM to OPO?

Compare live fares online, then call CheapoTrav — our agents have unpublished consolidator fares on BTM–OPO that never appear on search engines, with no booking fees.
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