| Rockville to Rodgau | 4,064.99 mi (6,541.97 km) |
| Rockville to Roding | 4,235.74 mi (6,816.77 km) |
| Rockville to Rodinghausen | 3,985.18 mi (6,413.53 km) |
| Rockville to Roetgen | 3,939.12 mi (6,339.40 km) |
| Rockville to Rommerskirchen | 3,948.34 mi (6,354.23 km) |
| Rockville to Ronnenberg | 4,028.69 mi (6,483.54 km) |
| Rockville to Rosbach vor der Hohe | 4,049.42 mi (6,516.91 km) |
| Rockville to Rosdorf | 4,061.79 mi (6,536.83 km) |
| Rockville to Rosenheim | 4,264.00 mi (6,862.25 km) |
| Rockville to Rosrath | 3,971.68 mi (6,391.79 km) |
| Rockville to Rossdorf | 4,064.51 mi (6,541.19 km) |
| Rockville to Rosstal | 4,163.98 mi (6,701.28 km) |
| Rockville to Rostock | 4,070.96 mi (6,551.58 km) |
| Rockville to Rotenburg an der Fulda | 4,069.80 mi (6,549.71 km) |
| Rockville to Roth | 4,177.13 mi (6,722.44 km) |
