Nonstop flight route between St. George, Utah, United States and Challis, Idaho, United States:
Departure Airport:
Arrival Airport:
Distance from SGU to CHL:
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- About this route
 - SGU Airport Information
 - CHL Airport Information
 - Facts about SGU
 - Facts about CHL
 - Map of Nearest Airports to SGU
 - List of Nearest Airports to SGU
 - Map of Furthest Airports from SGU
 - List of Furthest Airports from SGU
 - Map of Nearest Airports to CHL
 - List of Nearest Airports to CHL
 - Map of Furthest Airports from CHL
 - List of Furthest Airports from CHL
 
About this route:
A direct, nonstop flight between St. George Municipal Airport (relocated 2011) (SGU), St. George, Utah, United States and Challis Airport (CHL), Challis, Idaho, United States would travel a Great Circle distance of 515 miles (or 828 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 St. George Municipal Airport (relocated 2011) and Challis Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | SGU / KSGU | 
| Airport Names: | 
                    
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| Location: | St. George, Utah, United States | 
| GPS Coordinates: | 37°5'26"N by 113°35'35"W | 
| Operator/Owner: | City of St. George | 
| Airport Type: | Public | 
| Elevation: | 2941 feet (896 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from SGU | 
| More Information: | SGU Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | CHL / KLLJ | 
| Airport Names: | 
                    
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| Location: | Challis, Idaho, United States | 
| GPS Coordinates: | 44°31'24"N by 114°13'4"W | 
| Operator/Owner: | City of Challis | 
| Airport Type: | Public | 
| Elevation: | 5072 feet (1,546 meters) | 
| # of Runways: | 1 | 
| View all routes: | Routes from CHL | 
| More Information: | CHL Maps & Info | 
Facts about St. George Municipal Airport (relocated 2011) (SGU):
- St. George Municipal Airport (relocated 2011) (SGU) currently has only 1 runway.
 - The new airport has been partially funded by grants from the FAA totalling $24.2 million.
 - The furthest airport from St. George Municipal Airport (relocated 2011) (SGU) is Sir Gaëtan Duval Airport (RRG), which is located 11,225 miles (18,065 kilometers) away in Rodrigues Island, Mauritius.
 - In addition to being known as "St. George Municipal Airport (relocated 2011)", another name for SGU is "St. George Municipal Airport (1972-2010)".
 - The airport was served by SkyWest Airlines operating Delta Connection flights to Salt Lake City and United Express flights to Los Angeles.
 - The closest airport to St. George Municipal Airport (relocated 2011) (SGU) is Mesquite Airport (MFH), which is located 31 miles (50 kilometers) SW of SGU.
 
Facts about Challis Airport (CHL):
- In addition to being known as "Challis Airport", another name for CHL is "LLJ".
 - The closest airport to Challis Airport (CHL) is Lemhi County Airport (SMN), which is located 45 miles (72 kilometers) NNE of CHL.
 - Because of Challis Airport's high elevation of 5,072 feet, planes must typically fly at a faster airspeed in order to takeoff or land at CHL. Combined with a high temperature, this could make CHL a "Hot & High" airport, where the air density is lower than it would otherwise be at sea level.
 - Challis Airport (CHL) currently has only 1 runway.
 - The furthest airport from Challis Airport (CHL) is Pierrefonds Airport (ZSE), which is located 10,728 miles (17,265 kilometers) away in Saint-Pierre, Réunion.
 
