91 miles taking this route:
179 miles to Decatur, IL.
88 miles
424 miles
347 miles
135 miles taking this route: # Take I-55 NORTH from St. Louis to I-72 EAST to DECATUR at EXIT 90A. # Take I-72 EAST to Decatur.
about 1200 miles
147 miles taking I-55 SOUTH to U.S. 51 SOUTH, then U.S. 51 SOUTH to Decatur.
The air distance from Decatur, Illinois, to London, England, is 4,106 miles. That equals 6,608 kilometers or 3,568 nautical miles.
It is 181 miles according to Google Maps.
It is 750.98 miles according to MapQuest.
The shortest driving distance is 249 miles.
1273.86 miles. 19 hours 29 minutes. $130.88 at 25 MPG