Nonstop flight route between Alpena, Michigan, United States and Philadelphia, Pennsylvania, United States:
Departure Airport:
Arrival Airport:
Distance from APN to PHL:
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- About this route
 - APN Airport Information
 - PHL Airport Information
 - Facts about APN
 - Facts about PHL
 - Map of Nearest Airports to APN
 - List of Nearest Airports to APN
 - Map of Furthest Airports from APN
 - List of Furthest Airports from APN
 - Map of Nearest Airports to PHL
 - List of Nearest Airports to PHL
 - Map of Furthest Airports from PHL
 - List of Furthest Airports from PHL
 
About this route:
A direct, nonstop flight between Alpena County Regional Airport (APN), Alpena, Michigan, United States and Philadelphia International Airport (PHL), Philadelphia, Pennsylvania, United States would travel a Great Circle distance of 555 miles (or 894 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 Alpena County Regional Airport and Philadelphia International Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | APN / KAPN | 
| Airport Name: | Alpena County Regional Airport | 
| Location: | Alpena, Michigan, United States | 
| GPS Coordinates: | 45°4'41"N by 83°33'37"W | 
| Area Served: | Alpena, Michigan | 
| Operator/Owner: | County of Alpena | 
| Airport Type: | Public | 
| Elevation: | 690 feet (210 meters) | 
| # of Runways: | 2 | 
| View all routes: | Routes from APN | 
| More Information: | APN Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | PHL / KPHL | 
| Airport Name: | Philadelphia International Airport | 
| Location: | Philadelphia, Pennsylvania, United States | 
| GPS Coordinates: | 39°52'18"N by 75°14'27"W | 
| Area Served: | Delaware Valley | 
| Operator/Owner: | City of Philadelphia | 
| Airport Type: | Public | 
| Elevation: | 36 feet (11 meters) | 
| # of Runways: | 4 | 
| View all routes: | Routes from PHL | 
| More Information: | PHL Maps & Info | 
Facts about Alpena County Regional Airport (APN):
- As per Federal Aviation Administration records, the airport had 7,519 passenger boardings in calendar year 2008, 7,638 enplanements in 2009, and 8,737 in 2010.
 - Because of Alpena County Regional Airport's relatively low elevation of 690 feet, planes can take off or land at Alpena County 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.
 - The furthest airport from Alpena County Regional Airport (APN) is Margaret River Airport (MGV), which is located 11,184 miles (17,999 kilometers) away in Margaret River, Western Australia, Australia.
 - The closest airport to Alpena County Regional Airport (APN) is Oscoda-Wurtsmith Airport (OSC), which is located 44 miles (71 kilometers) S of APN.
 - Alpena County Regional Airport (APN) has 2 runways.
 
Facts about Philadelphia International Airport (PHL):
- The furthest airport from Philadelphia International Airport (PHL) is Margaret River Airport (MGV), which is located 11,734 miles (18,884 kilometers) away in Margaret River, Western Australia, Australia.
 - Today Philadelphia International Airport is one of the busiest airports in the world and among the fastest growing in the United States.
 - Because of Philadelphia International Airport's relatively low elevation of 36 feet, planes can take off or land at Philadelphia 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.
 - Philadelphia International Airport (PHL) has 4 runways.
 - During 1945 the Air Force reduced its use of the airport and it was returned to civil control that September.
 - The closest airport to Philadelphia International Airport (PHL) is Philadelphia Seaplane BaseChandler Field (PSQ), which is located only 3 miles (5 kilometers) WSW of PHL.
 - Philadelphia International Airport has seven terminal buildings, which are divided into seven lettered concourses, which together contain 111 gates total.
 - Southwest Airlines, the fastest growing airline for several years after beginning service to PHL in 2004, worked with the city and the airport to expand and improve its facilities.
 - US Airways became the dominant carrier at PHL during the 1980s and 1990s and shifted most of its hub operations from Pittsburgh to Philadelphia in 2003.
 
