| Festus to Mitchell (South Dakota) | 550.10 mi (885.30 km) |
| Festus to Mitchellville (Maryland) | 735.32 mi (1,183.38 km) |
| Festus to Moberly (Missouri) | 136.96 mi (220.42 km) |
| Festus to Mobile (Alabama) | 537.13 mi (864.42 km) |
| Festus to Modesto (California) | 1,660.16 mi (2,671.77 km) |
| Festus to Mokena (Illinois) | 265.35 mi (427.04 km) |
| Festus to Moline (Illinois) | 225.47 mi (362.86 km) |
| Festus to Moncks Corner (South Carolina) | 679.10 mi (1,092.91 km) |
| Festus to Monfort Heights (Ohio) | 319.80 mi (514.67 km) |
| Festus to Monmouth (Oregon) | 1,745.03 mi (2,808.35 km) |
| Festus to Monroe (Georgia) | 482.71 mi (776.84 km) |
| Festus to Monroe (Louisiana) | 404.92 mi (651.66 km) |
| Festus to Monroe (Michigan) | 450.52 mi (725.04 km) |
| Festus to Monroe (North Carolina) | 589.28 mi (948.35 km) |
| Festus to Monroe (Ohio) | 336.03 mi (540.80 km) |
