Nonstop flight route between Alpena, Michigan, United States and Sioux City, Iowa, United States:
Departure Airport:
Arrival Airport:
Distance from APN to SUX:
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- About this route
 - APN Airport Information
 - SUX Airport Information
 - Facts about APN
 - Facts about SUX
 - 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 SUX
 - List of Nearest Airports to SUX
 - Map of Furthest Airports from SUX
 - List of Furthest Airports from SUX
 
About this route:
A direct, nonstop flight between Alpena County Regional Airport (APN), Alpena, Michigan, United States and Sioux Gateway Airport (SUX), Sioux City, Iowa, United States would travel a Great Circle distance of 665 miles (or 1,071 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 Sioux Gateway 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: | SUX / KSUX | 
| Airport Names: | 
                    
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| Location: | Sioux City, Iowa, United States | 
| GPS Coordinates: | 42°24'9"N by 96°23'3"W | 
| Area Served: | Sioux City, Iowa | 
| Operator/Owner: | Sioux Gateway Airport Authority | 
| Airport Type: | Public | 
| Elevation: | 1098 feet (335 meters) | 
| # of Runways: | 2 | 
| View all routes: | Routes from SUX | 
| More Information: | SUX Maps & Info | 
Facts about Alpena County Regional Airport (APN):
- 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.
 - Alpena County Regional Airport is a county-owned, public-use, joint civil-military airport in Alpena County, Michigan, United States.
 - It is said to be the "Proud home of Alpena Combat Readiness Training Center," the host unit of the Michigan Air National Guard's Alpena Air National Guard Base.
 - 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.
 
Facts about Sioux Gateway Airport (SUX):
- In the year ending November 30, 2012 the airport had 18,258 aircraft operations, an average of 50 per day.
 - In June 2011 work was completed on a $6.2 million remodeling of the 58-year-old terminal building.
 - In addition to being known as "Sioux Gateway Airport", another name for SUX is "Colonel Bud Day Field".
 - The furthest airport from Sioux Gateway Airport (SUX) is Margaret River Airport (MGV), which is located 10,641 miles (17,125 kilometers) away in Margaret River, Western Australia, Australia.
 - The closest airport to Sioux Gateway Airport (SUX) is Le Mars Municipal Airport (LRJ), which is located 28 miles (45 kilometers) NNE of SUX.
 - Sioux Gateway Airport (SUX) has 2 runways.
 - The National Plan of Integrated Airport Systems for 2011–2015 categorized it as a primary commercial service airport since it has over 10,000 passenger boardings per year.
 - The airport designator "SUX" has been contentious.
 
