| Grayslake to Mitchell (South Dakota) | 513.72 mi (826.76 km) |
| Grayslake to Mitchellville (Maryland) | 632.90 mi (1,018.55 km) |
| Grayslake to Moberly (Missouri) | 305.98 mi (492.43 km) |
| Grayslake to Mobile (Alabama) | 805.80 mi (1,296.81 km) |
| Grayslake to Modesto (California) | 1,763.82 mi (2,838.59 km) |
| Grayslake to Mokena (Illinois) | 56.38 mi (90.74 km) |
| Grayslake to Moline (Illinois) | 139.61 mi (224.68 km) |
| Grayslake to Moncks Corner (South Carolina) | 769.43 mi (1,238.28 km) |
| Grayslake to Monfort Heights (Ohio) | 282.38 mi (454.44 km) |
| Grayslake to Monmouth (Oregon) | 1,755.77 mi (2,825.64 km) |
| Grayslake to Monroe (Georgia) | 634.94 mi (1,021.84 km) |
| Grayslake to Monroe (Louisiana) | 713.74 mi (1,148.66 km) |
| Grayslake to Monroe (Michigan) | 240.00 mi (386.23 km) |
| Grayslake to Monroe (North Carolina) | 646.99 mi (1,041.24 km) |
| Grayslake to Monroe (Ohio) | 276.85 mi (445.55 km) |
