| Grayslake to Jeffersonville (Indiana) | 302.57 mi (486.93 km) |
| Grayslake to Jenison (Michigan) | 118.81 mi (191.21 km) |
| Grayslake to Jenks (Oklahoma) | 610.13 mi (981.90 km) |
| Grayslake to Jennings (Missouri) | 276.00 mi (444.18 km) |
| Grayslake to Jensen Beach (Florida) | 1,131.64 mi (1,821.20 km) |
| Grayslake to Jericho (New York) | 755.89 mi (1,216.49 km) |
| Grayslake to Jerome (Idaho) | 1,343.10 mi (2,161.50 km) |
| Grayslake to Jersey City (New Jersey) | 730.12 mi (1,175.02 km) |
| Grayslake to Jessup (Maryland) | 628.55 mi (1,011.56 km) |
| Grayslake to Johns Creek (Georgia) | 610.33 mi (982.24 km) |
| Grayslake to Johnson City (New York) | 617.22 mi (993.33 km) |
| Grayslake to Johnson City (Tennessee) | 512.67 mi (825.06 km) |
| Grayslake to Johnston (Iowa) | 295.44 mi (475.46 km) |
| Grayslake to Johnstown (Colorado) | 886.56 mi (1,426.78 km) |
| Grayslake to Johnstown (Pennsylvania) | 492.64 mi (792.82 km) |
