| Festus to Monticello (Minnesota) | 519.29 mi (835.72 km) |
| Festus to Montrose (Colorado) | 944.32 mi (1,519.73 km) |
| Festus to Moody (Alabama) | 387.07 mi (622.92 km) |
| Festus to Moore (Oklahoma) | 438.91 mi (706.36 km) |
| Festus to Moorestown-Lenola (New Jersey) | 835.92 mi (1,345.29 km) |
| Festus to Mooresville (North Carolina) | 559.57 mi (900.54 km) |
| Festus to Moorhead (Minnesota) | 678.47 mi (1,091.89 km) |
| Festus to Moorpark (California) | 1,602.73 mi (2,579.34 km) |
| Festus to Moraga (California) | 1,717.57 mi (2,764.17 km) |
| Festus to Moreno Valley (California) | 1,519.95 mi (2,446.12 km) |
| Festus to Morgan City (Louisiana) | 590.05 mi (949.59 km) |
| Festus to Morgan Hill (California) | 1,701.51 mi (2,738.32 km) |
| Festus to Morganton (North Carolina) | 510.06 mi (820.86 km) |
| Festus to Morgantown (West Virginia) | 570.53 mi (918.18 km) |
| Festus to Morris (Illinois) | 242.00 mi (389.47 km) |
