Distance Calculator

Distance from St. Marys to Decatur

Distance between St. Marys and Decatur is 426 kilometers (265 miles).
Driving distance from St. Marys to Decatur is 557 kilometers (346 miles).

air 426 km
air 265 miles
car 557 km
car 346 miles

Distance Map Between St. Marys and Decatur

St. Marys, Atlanta, United StatesDecatur, Atlanta, United States = 265 miles = 426 km.

How far is it between St. Marys and Decatur

St. Marys is located in United States with (30.7305,-81.5465) coordinates and Decatur is located in United States with (33.7748,-84.2963) coordinates. The calculated flying distance from St. Marys to Decatur is equal to 265 miles which is equal to 426 km.

If you want to go by car, the driving distance between St. Marys and Decatur is 556.81 km. If you ride your car with an average speed of 112 kilometers/hour (70 miles/h), travel time will be 04 hours 58 minutes. Please check the avg. speed travel time table on the right for various options.
Difference between fly and go by a car is 131 km.

City/PlaceLatitude and LongitudeGPS Coordinates
St. Marys 30.7305, -81.5465 30° 43´ 49.8360'' N
81° 32´ 47.3640'' W
Decatur 33.7748, -84.2963 33° 46´ 29.3880'' N
84° 17´ 46.7160'' W

Estimated Travel Time Between St. Marys and Decatur

Average SpeedTravel Time
30 mph (48 km/h) 11 hours 36 minutes
40 mph (64 km/h) 08 hours 42 minutes
50 mph (80 km/h) 06 hours 57 minutes
60 mph (97 km/h) 05 hours 44 minutes
70 mph (112 km/h) 04 hours 58 minutes
75 mph (120 km/h) 04 hours 38 minutes
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