| Marietta to Robertsville (New Jersey) | 715.58 mi (1,151.61 km) |
| Marietta to Robinson (Texas) | 750.93 mi (1,208.50 km) |
| Marietta to Robstown (Texas) | 886.12 mi (1,426.07 km) |
| Marietta to Rochester (Michigan) | 608.29 mi (978.95 km) |
| Marietta to Rochester (Minnesota) | 814.55 mi (1,310.89 km) |
| Marietta to Rochester (New Hampshire) | 973.93 mi (1,567.38 km) |
| Marietta to Rochester (New York) | 737.86 mi (1,187.46 km) |
| Marietta to Rochester Hills (Michigan) | 606.53 mi (976.12 km) |
| Marietta to Rock Hill (South Carolina) | 211.75 mi (340.77 km) |
| Marietta to Rock Island (Illinois) | 615.03 mi (989.79 km) |
| Marietta to Rock Springs (Wyoming) | 1,441.22 mi (2,319.41 km) |
| Marietta to Rockford (Illinois) | 624.10 mi (1,004.38 km) |
| Marietta to Rockledge (Florida) | 449.51 mi (723.41 km) |
| Marietta to Rocklin (California) | 2,055.21 mi (3,307.54 km) |
| Marietta to Rockport (Texas) | 846.60 mi (1,362.47 km) |
