| Catonsville to Rodgau | 4,040.12 mi (6,501.94 km) |
| Catonsville to Roding | 4,210.91 mi (6,776.80 km) |
| Catonsville to Rodinghausen | 3,960.54 mi (6,373.87 km) |
| Catonsville to Roetgen | 3,914.23 mi (6,299.35 km) |
| Catonsville to Rommerskirchen | 3,923.50 mi (6,314.27 km) |
| Catonsville to Ronnenberg | 4,004.09 mi (6,443.96 km) |
| Catonsville to Rosbach vor der Hohe | 4,024.57 mi (6,476.92 km) |
| Catonsville to Rosdorf | 4,037.11 mi (6,497.10 km) |
| Catonsville to Rosenheim | 4,239.03 mi (6,822.06 km) |
| Catonsville to Rosrath | 3,946.84 mi (6,351.83 km) |
| Catonsville to Rossdorf | 4,039.62 mi (6,501.14 km) |
| Catonsville to Rosstal | 4,139.11 mi (6,661.26 km) |
| Catonsville to Rostock | 4,046.68 mi (6,512.51 km) |
| Catonsville to Rotenburg an der Fulda | 4,045.06 mi (6,509.89 km) |
| Catonsville to Roth | 4,152.25 mi (6,682.40 km) |
