Nonstop flight route between Chicago, Illinois, United States and Alma, Michigan, United States:
Departure Airport:

Arrival Airport:

Distance from ORD to AMN:
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- About this route
- ORD Airport Information
- AMN Airport Information
- Facts about ORD
- Facts about AMN
- Map of Nearest Airports to ORD
- List of Nearest Airports to ORD
- Map of Furthest Airports from ORD
- List of Furthest Airports from ORD
- Map of Nearest Airports to AMN
- List of Nearest Airports to AMN
- Map of Furthest Airports from AMN
- List of Furthest Airports from AMN
About this route:
A direct, nonstop flight between Chicago O'Hare International Airport (ORD), Chicago, Illinois, United States and Gratiot Community Airport (AMN), Alma, Michigan, United States would travel a Great Circle distance of 188 miles (or 303 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 Chicago O'Hare International Airport and Gratiot Community Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
IATA / ICAO Codes: | ORD / KORD |
Airport Name: | Chicago O'Hare International Airport |
Location: | Chicago, Illinois, United States |
GPS Coordinates: | 41°58'42"N by 87°54'16"W |
Area Served: | Chicago, Illinois, United States |
Operator/Owner: | City of Chicago |
Airport Type: | Public |
Elevation: | 668 feet (204 meters) |
# of Runways: | 8 |
View all routes: | Routes from ORD |
More Information: | ORD Maps & Info |
Arrival Airport Information:
IATA / ICAO Codes: | AMN / KAMN |
Airport Name: | Gratiot Community Airport |
Location: | Alma, Michigan, United States |
GPS Coordinates: | 43°19'19"N by 84°41'17"W |
Area Served: | Alma, Michigan |
Operator/Owner: | City of Alma & County of Gratiot |
Airport Type: | Public |
Elevation: | 754 feet (230 meters) |
# of Runways: | 2 |
View all routes: | Routes from AMN |
More Information: | AMN Maps & Info |
Facts about Chicago O'Hare International Airport (ORD):
- The closest airport to Chicago O'Hare International Airport (ORD) is Chicago Executive Airport (PWK), which is located only 9 miles (15 kilometers) N of ORD.
- O'Hare has four numbered passenger terminals with nine lettered concourses and a total of 182 aircraft gates.
- Chicago O'Hare International Airport (ORD) has 8 runways.
- By the early 1950s, Chicago Midway International Airport, Chicago's primary airport since 1931, had become too crowded despite multiple expansions and could not handle the planned first generation of jets.
- United and American both established nationwide hubs at the airport in the 1980s, which continue to operate today.
- A$80 million renovation of Concourse G in Terminal 3 designed by Teng & Associates, Inc.
- In the 1980s, after deregulation, TWA replaced Chicago with St.
- All fixed-wing scheduled airline service in Chicago moved from Midway to O'Hare by July 1962.
- The furthest airport from Chicago O'Hare International Airport (ORD) is Margaret River Airport (MGV), which is located 11,071 miles (17,817 kilometers) away in Margaret River, Western Australia, Australia.
- Because of Chicago O'Hare International Airport's relatively low elevation of 668 feet, planes can take off or land at Chicago O'Hare 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.
Facts about Gratiot Community Airport (AMN):
- Gratiot Community Airport is a public use airport located three nautical miles southwest of the central business district of Alma, a city in Gratiot County, Michigan, United States.
- Gratiot Community Airport (AMN) has 2 runways.
- The furthest airport from Gratiot Community Airport (AMN) is Margaret River Airport (MGV), which is located 11,192 miles (18,011 kilometers) away in Margaret River, Western Australia, Australia.
- The closest airport to Gratiot Community Airport (AMN) is Mount Pleasant Municipal Airport (MOP), which is located 21 miles (34 kilometers) N of AMN.
- Because of Gratiot Community Airport's relatively low elevation of 754 feet, planes can take off or land at Gratiot Community 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.
- Gratiot Community Airport covers an area of 631 acres at an elevation of 754 feet above mean sea level.
- For the 12-month period ending December 31, 2007, the airport had 9,500 general aviation aircraft operations, an average of 26 per day.