Nonstop flight route between St. Thomas, Ontario, Canada and Phoenix, Arizona, United States:
Departure Airport:
Arrival Airport:
Distance from YQS to AZA:
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- About this route
 - YQS Airport Information
 - AZA Airport Information
 - Facts about YQS
 - Facts about AZA
 - Map of Nearest Airports to YQS
 - List of Nearest Airports to YQS
 - Map of Furthest Airports from YQS
 - List of Furthest Airports from YQS
 - Map of Nearest Airports to AZA
 - List of Nearest Airports to AZA
 - Map of Furthest Airports from AZA
 - List of Furthest Airports from AZA
 
About this route:
A direct, nonstop flight between St. Thomas Municipal Airport (YQS), St. Thomas, Ontario, Canada and Phoenix–Mesa Gateway Airport (AZA), Phoenix, Arizona, United States would travel a Great Circle distance of 1,774 miles (or 2,855 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. Thomas Municipal Airport and Phoenix–Mesa Gateway Airport, the route shown on this map most likely still appears to be a straight line.
Departure Airport Information:
| IATA / ICAO Codes: | YQS / CYQS | 
| Airport Name: | St. Thomas Municipal Airport | 
| Location: | St. Thomas, Ontario, Canada | 
| GPS Coordinates: | 42°46'12"N by 81°6'34"W | 
| Operator/Owner: | Municipality of St. Thomas | 
| Airport Type: | Public | 
| Elevation: | 779 feet (237 meters) | 
| # of Runways: | 3 | 
| View all routes: | Routes from YQS | 
| More Information: | YQS Maps & Info | 
Arrival Airport Information:
| IATA / ICAO Codes: | AZA / KIWA | 
| Airport Names: | 
                    
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| Location: | Phoenix, Arizona, United States | 
| GPS Coordinates: | 33°18'28"N by 111°39'20"W | 
| Area Served: | Phoenix metropolitan area | 
| Airport Type: | Public | 
| Elevation: | 1382 feet (421 meters) | 
| # of Runways: | 3 | 
| View all routes: | Routes from AZA | 
| More Information: | AZA Maps & Info | 
Facts about St. Thomas Municipal Airport (YQS):
- Because of St. Thomas Municipal Airport's relatively low elevation of 779 feet, planes can take off or land at St. Thomas Municipal 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 closest airport to St. Thomas Municipal Airport (YQS) is London international Airport (YXU), which is located only 18 miles (29 kilometers) N of YQS.
 - The furthest airport from St. Thomas Municipal Airport (YQS) is Margaret River Airport (MGV), which is located 11,370 miles (18,298 kilometers) away in Margaret River, Western Australia, Australia.
 - The airport is in uncontrolled airspace but has a UNICOM operating during working hours on 122.70 MHz.
 - St. Thomas Municipal Airport (YQS) has 3 runways.
 
Facts about Phoenix–Mesa Gateway Airport (AZA):
- In recent years, the airport has again become a center of flight training.
 - In response to the expansion issues, PMGAA has begun planning for a new east terminal.
 - In addition to being known as "Phoenix–Mesa Gateway Airport", another name for AZA is "IWA".
 - The closest airport to Phoenix–Mesa Gateway Airport (AZA) is Falcon Field (MSC), which is located only 11 miles (18 kilometers) NNW of AZA.
 - Phase four will complete the 2030 plan, allowing IWA able to handle 10 million enplanements annually with a total of 60 gates and 21,000 vehicle parking spaces.
 - The furthest airport from Phoenix–Mesa Gateway Airport (AZA) is Sir Gaëtan Duval Airport (RRG), which is located 11,452 miles (18,429 kilometers) away in Rodrigues Island, Mauritius.
 - Phoenix–Mesa Gateway Airport (AZA) has 3 runways.
 
