Nonstop flight route between Siena, Italy and Hillsboro / Portland, Oregon, United States:

About this route:

A direct, nonstop flight between Siena-Ampugnano Airport (SAY), Siena, Italy and Portland-Hillsboro Airport (HIO), Hillsboro / Portland, Oregon, United States would travel a Great Circle distance of 5,689 miles (or 9,155 kilometers).

A Great Circle is the shortest distance between 2 points on a sphere. Because most world maps are flat (but the Earth is round), the route of the shortest distance between 2 points on the Earth will often appear curved when viewed on a flat map, especially for long distances. If you were to simply draw a straight line on a flat map and measure a very long distance, it would likely be much further than if you were to lay a string between those two points on a globe. Because of the large distance between Siena-Ampugnano Airport and Portland-Hillsboro Airport, the route shown on this map most likely appears curved because of this reason.

Try it at home! Get a globe and tightly lay a string between Siena-Ampugnano Airport and Portland-Hillsboro Airport. You'll see that it will travel the same route of the red line on this map!

Departure Airport Information:

Arrival Airport Information:

Facts about Siena-Ampugnano Airport (SAY):

• The furthest airport from Siena-Ampugnano Airport (SAY) is Chatham Islands (CHT), which is nearly antipodal to Siena-Ampugnano Airport (meaning Siena-Ampugnano Airport is almost on the exact opposite side of the Earth from Chatham Islands), and is located 12,049 miles (19,391 kilometers) away in Waitangi, Chatham Islands, New Zealand.
• Because of Siena-Ampugnano Airport's relatively low elevation of 634 feet, planes can take off or land at Siena-Ampugnano Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
• Siena-Ampugnano Airport (SAY) currently has only 1 runway.
• Siena-Ampugnano Airport is a small military airfield near Siena, in Tuscany, Italy.
• In addition to being known as "Siena-Ampugnano Airport", other names for SAY include "Aeroporto di Siena-Ampugnano" and "Siena-Ampugnano".
• The airport resides at an elevation of 634 feet above mean sea level.
• The closest airport to Siena-Ampugnano Airport (SAY) is Grosseto Airport (GRS), which is located 36 miles (57 kilometers) SSW of SAY.
• Siena-Ampugnano Airport handled 3,745 passengers last year.

Facts about Portland-Hillsboro Airport (HIO):

• The airport handled 259,263 flights in 2008, surpassing Portland International in this category.
• The closest airport to Portland-Hillsboro Airport (HIO) is Portland International Airport (PDX), which is located only 17 miles (28 kilometers) E of HIO.
• Portland-Hillsboro Airport (HIO) has 2 runways.
• As of 2005 the airport handled 223,000 takeoffs and landings.
• The field was also considered as a possible Naval air station in 1946 and again in 1955, but was eventually rejected by the Navy.
• Because of Portland-Hillsboro Airport's relatively low elevation of 204 feet, planes can take off or land at Portland-Hillsboro Airport at a lower air speed than at airports located at a higher elevation. This is because the air density is higher closer to sea level than it would otherwise be at higher elevations.
• A Horizon Air plane was hijacked on May 2, 1986, en route from Eugene to Portland, with the pilot able to convince the hijacker to allow the plane to land at HIO where the hijacker was arrested.
• The furthest airport from Portland-Hillsboro Airport (HIO) is Tôlanaro Airport (FTU), which is located 10,913 miles (17,563 kilometers) away in Tôlanaro, Madagascar.
• Located in the north-central area of Hillsboro, and west of Portland, it hosts the annual Oregon International Air Show.