Nonstop flight route between SeaTac (near Seattle and Tacoma), Washington, United States and Manchester, New Hampshire, United States:
Departure Airport:

Arrival Airport:

Distance from SEA to MHT:
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- About this route
- SEA Airport Information
- MHT Airport Information
- Facts about SEA
- Facts about MHT
- Map of Nearest Airports to SEA
- List of Nearest Airports to SEA
- Map of Furthest Airports from SEA
- List of Furthest Airports from SEA
- Map of Nearest Airports to MHT
- List of Nearest Airports to MHT
- Map of Furthest Airports from MHT
- List of Furthest Airports from MHT
About this route:
A direct, nonstop flight between Seattle–Tacoma International Airport (SEA), SeaTac (near Seattle and Tacoma), Washington, United States and Manchester–Boston Regional Airport (MHT), Manchester, New Hampshire, United States would travel a Great Circle distance of 2,452 miles (or 3,946 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 relatively short distance between Seattle–Tacoma International Airport and Manchester–Boston Regional Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | SEA / KSEA |
Airport Names: |
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Location: | SeaTac (near Seattle and Tacoma), Washington, United States |
GPS Coordinates: | 47°26'56"N by 122°18'33"W |
Area Served: | Seattle; Tacoma, Washington, US |
Airport Type: | Public |
Elevation: | 433 feet (132 meters) |
# of Runways: | 3 |
View all routes: | Routes from SEA |
More Information: | SEA Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | MHT / KMHT |
Airport Name: | Manchester–Boston Regional Airport |
Location: | Manchester, New Hampshire, United States |
GPS Coordinates: | 42°55'56"N by 71°26'8"W |
Area Served: | Manchester, New Hampshire |
Operator/Owner: | City of Manchester |
Airport Type: | Public |
Elevation: | 266 feet (81 meters) |
# of Runways: | 2 |
View all routes: | Routes from MHT |
More Information: | MHT Maps & Info |
Facts about Seattle–Tacoma International Airport (SEA):
- In addition to being known as "Seattle–Tacoma International Airport", another name for SEA is "Sea–Tac Airport".
- The airport is also served both by the King County Metro bus system and Sound Transit regional express buses.
- Because of Seattle–Tacoma International Airport's relatively low elevation of 433 feet, planes can take off or land at Seattle–Tacoma International 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.
- Seattle–Tacoma International Airport (SEA) has 3 runways.
- The furthest airport from Seattle–Tacoma International Airport (SEA) is Tôlanaro Airport (FTU), which is located 10,781 miles (17,350 kilometers) away in Tôlanaro, Madagascar.
- The closest airport to Seattle–Tacoma International Airport (SEA) is Renton Municipal Airport (RNT), which is located only 5 miles (9 kilometers) NE of SEA.
- The new 3rd runway opened on November 20, 2008, with a total construction cost of $1.1 billion.
- Citing increased landing fees and other costs due to the aforementioned work at the airport, Southwest Airlines threatened in 2005 to move to nearby Boeing Field.
- Seattle–Tacoma International Airport handled 34,776,666 passengers last year.
- The top five carriers at the airport in number of passengers carried in 2012 were Alaska Airlines, Horizon Air, Delta Air Lines, Southwest Airlines, and United Airlines.
Facts about Manchester–Boston Regional Airport (MHT):
- Because of Manchester–Boston Regional Airport's relatively low elevation of 266 feet, planes can take off or land at Manchester–Boston Regional 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.
- Manchester–Boston is New England's third-largest cargo airport.
- Municipalities within the Boston Metropolitan Area, in partnership with their state governments in Massachusetts and New Hampshire, decided to make Manchester and T.F.
- The Manchester airport was founded in June 1927, when the city's Board of Mayor and Aldermen put $15,000 towards the project.
- Manchester–Boston Regional Airport (MHT) has 2 runways.
- The furthest airport from Manchester–Boston Regional Airport (MHT) is Margaret River Airport (MGV), which is located 11,722 miles (18,864 kilometers) away in Margaret River, Western Australia, Australia.
- Manchester–Boston Regional Airport handled 2,814,125 passengers last year.
- The Manchester Transit Authority provides hourly bus service between the passenger terminal and downtown Manchester.
- The closest airport to Manchester–Boston Regional Airport (MHT) is Nashua Airport (ASH), which is located only 11 miles (18 kilometers) SSW of MHT.