| Marietta to Mitchell (South Dakota) | 989.28 mi (1,592.09 km) |
| Marietta to Mitchellville (Maryland) | 550.08 mi (885.26 km) |
| Marietta to Moberly (Missouri) | 577.39 mi (929.22 km) |
| Marietta to Mobile (Alabama) | 307.78 mi (495.32 km) |
| Marietta to Modesto (California) | 2,046.23 mi (3,293.09 km) |
| Marietta to Mokena (Illinois) | 554.37 mi (892.17 km) |
| Marietta to Moline (Illinois) | 613.09 mi (986.68 km) |
| Marietta to Moncks Corner (South Carolina) | 266.38 mi (428.70 km) |
| Marietta to Monfort Heights (Ohio) | 361.31 mi (581.47 km) |
| Marietta to Monmouth (Oregon) | 2,174.21 mi (3,499.05 km) |
| Marietta to Monroe (Georgia) | 48.57 mi (78.17 km) |
| Marietta to Monroe (Louisiana) | 446.49 mi (718.56 km) |
| Marietta to Monroe (Michigan) | 553.72 mi (891.13 km) |
| Marietta to Monroe (North Carolina) | 238.19 mi (383.33 km) |
| Marietta to Monroe (Ohio) | 379.64 mi (610.97 km) |
