Distance From Aviosuperficie Santa Anna to Seattle–Tacoma International Airport

The distance from Aviosuperficie Santa Anna () to Seattle–Tacoma International Airport (SEA) is 5608 miles or 9025 kilometers or 4870 nautical miles.

The distance shown below is direct flight distance between airports. Straight-line distance does not account for the surface between the two points. It is the distance a bird or airplane would travel between the two points when flying above the surface. The straight line distance is the direct route between two points, regardless of whether or not there are roads that connect them.

---

How long does it take to travel from Montecassiano (MC) ( Italy ) to Seattle ( United States )?

A one-way nonstop (direct) flight between Montecassiano (MC) and Seattle takes around 12 hours 53 minutes.

Estimated flight time from Aviosuperficie Santa Anna, Montecassiano (MC), Italy to Seattle–Tacoma International Airport, Seattle, United States is 12 hours 53 minutes under avarage conditions. Your actual flying time may vary depending on wind direction/speed or weather conditions. This calculation does not include the departure and landing times of the aircraft. In addition, it does not cover the person identity check, ticket check-in and baggage collection times at the airport.

Travel Distance Between the Airports • - SEA

Kilometers		9025 km
Statute Miles		5608 miles
Nautical Miles		4870 nm
Avg. Time of Flight		12 hours 53 minutes

Aviosuperficie Santa Anna to Seattle–Tacoma International Airport Flight Route Map - to SEA Flight Path

Location of Aviosuperficie Santa Anna & Seattle–Tacoma International Airport is given below.
Click the map to view Montecassiano (MC) to Seattle nonstop flight path and travel direction.

Click to see flight route on Google Map between Montecassiano (MC), Italy and Seattle, United States. .

Nonstop flight route between Montecassiano (MC), Italy and Seattle, United States.

Time Difference Between the Airports • - SEA

Time difference between Montecassiano (MC) (Italy) and Seattle (United States) is 8 Hours.
Seattle time is 8 Hours behind Montecassiano (MC).

Location	Local Time
Montecassiano (MC) (Italy)	2026-08-10, 05:32:40 CEST
Seattle (United States)	2026-08-09, 21:32:40 MDT

Why should you arrive 3 hours before international flight? Flyers who are traveling to an international destination should arrive at the airport earlier than domestic flyers. This is because international flights can have additional check-in requirements, like passport verification, that need to be completed before you receive your boarding pass.

Origin

Aviosuperficie Santa Anna ( / ) Montecassiano (MC), Italy

Destination

Seattle–Tacoma International Airport (SEA / KSEA) Seattle, United States