| Marietta to Romeoville (Illinois) | 564.83 mi (909.00 km) |
| Marietta to Romulus (Michigan) | 574.98 mi (925.34 km) |
| Marietta to Ronkonkoma (New York) | 784.37 mi (1,262.32 km) |
| Marietta to Roosevelt (New York) | 759.64 mi (1,222.52 km) |
| Marietta to Rosamond (California) | 1,911.46 mi (3,076.20 km) |
| Marietta to Rosaryville (Maryland) | 542.72 mi (873.43 km) |
| Marietta to Roscoe (Illinois) | 633.38 mi (1,019.33 km) |
| Marietta to Rose Hill (Virginia) | 531.26 mi (854.98 km) |
| Marietta to Roseburg (Oregon) | 2,169.93 mi (3,492.17 km) |
| Marietta to Rosedale (California) | 1,962.17 mi (3,157.81 km) |
| Marietta to Rosedale (Maryland) | 579.41 mi (932.46 km) |
| Marietta to Roselle (Illinois) | 587.13 mi (944.90 km) |
| Marietta to Roselle (New Jersey) | 729.59 mi (1,174.16 km) |
| Marietta to Roselle Park (New Jersey) | 729.82 mi (1,174.53 km) |
| Marietta to Rosemead (California) | 1,912.20 mi (3,077.39 km) |
