What is the flight distance between SDY and GTF?

Distance between Richland Municipal Airport (SDY) and Great Falls International Airport (GTF) is 539 kilometers or 335 miles.

Distance From Richland Municipal Airport to Great Falls International Airport (SDY - GTF Distance)

Q: How long is the flight from SDY to GTF?

Flight time from Richland Municipal Airport, Sidney, United States to Great Falls International Airport, Great Falls, United States is 0 hours 40 minutes under avarage conditions.

Q: What is the time difference between Sidney, United States and Great Falls, United States?

Time difference between Sidney (United States) and Great Falls (United States) is 1 Hours. Great Falls time is 1 Hours behind Sidney. It is currently 12:42 in Richland Municipal Airport (SDY) and 11:42 in Great Falls International Airport (GTF).

The flight distance from Richland Municipal Airport (SDY) to Great Falls International Airport (GTF) is 335 miles. This is equivalent to 539 kilometers or 291 nautical miles. The distance shown below is the straight line distance (may be called as flying or air distance) or direct flight distance between airports.

539 kilometers is the distance from Richland Municipal Airport, United States to Great Falls International Airport, United States.

Flight Duration between Sidney, United States and Great Falls, United States

Estimated flight time from Richland Municipal Airport, Sidney, United States to Great Falls International Airport, Great Falls, United States is 0 hours 40 minutes under avarage conditions. The flight time calculator assumes an average flight speed for a commercial airliner of 500 mph, which is equivalent to 805 km/hr or 434 knots. Your actual flying time may vary depending on wind speeds or weather conditions.

Time Difference Between the Airports • SDY - GTF

Time difference between Sidney (United States) and Great Falls (United States) is 1 Hours.
Current local time in Sidney is 2025-12-05, 12:42:34 CST and time in Great Falls is 2025-12-05, 11:42:34 MST.
Great Falls time is 1 Hours behind Sidney.

Richland Municipal Airport to Great Falls International Airport Flight Route Map - SDY to GTF Flight Path

Location of Richland Municipal Airport & Great Falls International Airport is given below.
Click the map to view Sidney to Great Falls nonstop flight path and travel direction.

Click to see flight route on Google Map between Sidney, United States and Great Falls, United States. .

Nonstop flight route between Sidney, United States and Great Falls, United States.

Richland Municipal Airport
City:	Sidney
Country:	United States
IATA Code:	SDY
ICAO Code:	KSDY
GPS Coordinates:	Latitude: N 47° 42' 24.7'' Longitude: W 104° 11' 33.2''
Current time:	2025-12-05, 12:42:34 CST
Current weather:	Richland Municipal Airport 15 day weather forecast

Great Falls International Airport
City:	Great Falls
Country:	United States
IATA Code:	GTF
ICAO Code:	KGTF
GPS Coordinates:	Latitude: N 47° 28' 55.2'' Longitude: W 111° 22' 14.5''
Current time:	2025-12-05, 11:42:34 MST
Current weather:	Great Falls International Airport 15 day weather forecast
Flights: