Distance Calculator

Distance from Decatur to Alton

Distance between Decatur and Alton is 149 kilometers (93 miles).
Driving distance from Decatur to Alton is 173 kilometers (107 miles).

air 149 km
air 93 miles
car 173 km
car 107 miles

Distance Map Between Decatur and Alton

Decatur, Springfield, United StatesAlton, Springfield, United States = 93 miles = 149 km.

How far is it between Decatur and Alton

Decatur is located in United States with (39.8403,-88.9548) coordinates and Alton is located in United States with (38.8906,-90.1843) coordinates. The calculated flying distance from Decatur to Alton is equal to 93 miles which is equal to 149 km.

If you want to go by car, the driving distance between Decatur and Alton is 172.93 km. If you ride your car with an average speed of 112 kilometers/hour (70 miles/h), travel time will be 01 hours 32 minutes. Please check the avg. speed travel time table on the right for various options.
Difference between fly and go by a car is 24 km.

City/PlaceLatitude and LongitudeGPS Coordinates
Decatur 39.8403, -88.9548 39° 50´ 25.1160'' N
88° 57´ 17.2800'' W
Alton 38.8906, -90.1843 38° 53´ 26.1600'' N
90° 11´ 3.4080'' W

Estimated Travel Time Between Decatur and Alton

Average SpeedTravel Time
30 mph (48 km/h) 03 hours 36 minutes
40 mph (64 km/h) 02 hours 42 minutes
50 mph (80 km/h) 02 hours 09 minutes
60 mph (97 km/h) 01 hours 46 minutes
70 mph (112 km/h) 01 hours 32 minutes
75 mph (120 km/h) 01 hours 26 minutes
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