Nonstop flight route between Dillon, Montana, United States and Northern Quebec, Canada:
Departure Airport:
Arrival Airport:
Distance from DLN to YAH:
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- About this route
 - DLN Airport Information
 - YAH Airport Information
 - Facts about DLN
 - Facts about YAH
 - Map of Nearest Airports to DLN
 - List of Nearest Airports to DLN
 - Map of Furthest Airports from DLN
 - List of Furthest Airports from DLN
 - Map of Nearest Airports to YAH
 - List of Nearest Airports to YAH
 - Map of Furthest Airports from YAH
 - List of Furthest Airports from YAH
 
About this route:
A direct, nonstop flight between Dillon Airport (DLN), Dillon, Montana, United States and La Grande-4 Airport (YAH), Northern Quebec, Canada would travel a Great Circle distance of 1,814 miles (or 2,920 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 Dillon Airport and La Grande-4 Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | DLN / KDLN | 
| Airport Name: | Dillon Airport | 
| Location: | Dillon, Montana, United States | 
| GPS Coordinates: | 45°15'19"N by 112°33'8"W | 
| Area Served: | Dillon, Montana | 
| Operator/Owner: | Beaverhead County | 
| Airport Type: | Public | 
| Elevation: | 5241 feet (1,597 meters) | 
| # of Runways: | 2 | 
| View all routes: | Routes from DLN | 
| More Information: | DLN Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | YAH / CYAH | 
| Airport Name: | La Grande-4 Airport | 
| Location: | Northern Quebec, Canada | 
| GPS Coordinates: | 53°45'16"N by 73°40'31"W | 
| Operator/Owner: | Hydro-Québec | 
| Airport Type: | Private | 
| Elevation: | 1005 feet (306 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from YAH | 
| More Information: | YAH Maps & Info | 
Facts about Dillon Airport (DLN):
- The furthest airport from Dillon Airport (DLN) is Sir Gaëtan Duval Airport (RRG), which is located 10,660 miles (17,155 kilometers) away in Rodrigues Island, Mauritius.
 - Because of Dillon Airport's high elevation of 5,241 feet, planes must typically fly at a faster airspeed in order to takeoff or land at DLN. Combined with a high temperature, this could make DLN a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
 - The closest airport to Dillon Airport (DLN) is Bert Mooney Airport (BTM), which is located 48 miles (78 kilometers) N of DLN.
 - Dillon Airport (DLN) has 2 runways.
 
Facts about La Grande-4 Airport (YAH):
- The closest airport to La Grande-4 Airport (YAH) is La Grande-3 Airport (YAR), which is located 104 miles (167 kilometers) W of YAH.
 - The furthest airport from La Grande-4 Airport (YAH) is Albany Airport (ALH), which is located 11,023 miles (17,739 kilometers) away in Albany, Western Australia, Australia.
 - La Grande-4 Airport (YAH) currently has only 1 runway.
 
