| Morlanwelz-Mariemont to Romeoville (Illinois) | 4,178.07 mi (6,723.96 km) |
| Morlanwelz-Mariemont to Romulus (Michigan) | 3,969.90 mi (6,388.94 km) |
| Morlanwelz-Mariemont to Ronkonkoma (New York) | 3,624.42 mi (5,832.93 km) |
| Morlanwelz-Mariemont to Roosevelt (New York) | 3,648.56 mi (5,871.79 km) |
| Morlanwelz-Mariemont to Rosamond (California) | 5,580.39 mi (8,980.76 km) |
| Morlanwelz-Mariemont to Rosaryville (Maryland) | 3,865.54 mi (6,220.99 km) |
| Morlanwelz-Mariemont to Roscoe (Illinois) | 4,174.75 mi (6,718.61 km) |
| Morlanwelz-Mariemont to Rose Hill (Virginia) | 3,876.17 mi (6,238.09 km) |
| Morlanwelz-Mariemont to Roseburg (Oregon) | 5,238.33 mi (8,430.27 km) |
| Morlanwelz-Mariemont to Rosedale (California) | 5,580.31 mi (8,980.64 km) |
| Morlanwelz-Mariemont to Rosedale (Maryland) | 3,827.49 mi (6,159.74 km) |
| Morlanwelz-Mariemont to Roselle (Illinois) | 4,161.13 mi (6,696.69 km) |
| Morlanwelz-Mariemont to Roselle (New Jersey) | 3,677.37 mi (5,918.16 km) |
| Morlanwelz-Mariemont to Roselle Park (New Jersey) | 3,677.10 mi (5,917.72 km) |
| Morlanwelz-Mariemont to Rosemead (California) | 5,622.44 mi (9,048.45 km) |
