| Cay to Rodgau | 1,341.36 mi (2,158.71 km) |
| Cay to Roding | 1,172.08 mi (1,886.28 km) |
| Cay to Rodinghausen | 1,433.66 mi (2,307.25 km) |
| Cay to Roetgen | 1,466.83 mi (2,360.64 km) |
| Cay to Rommerskirchen | 1,459.11 mi (2,348.21 km) |
| Cay to Ronnenberg | 1,394.63 mi (2,244.44 km) |
| Cay to Rosbach vor der Hohe | 1,357.59 mi (2,184.84 km) |
| Cay to Rosdorf | 1,354.59 mi (2,180.01 km) |
| Cay to Rosenheim | 1,141.51 mi (1,837.08 km) |
| Cay to Rosrath | 1,435.81 mi (2,310.71 km) |
| Cay to Rossdorf | 1,341.39 mi (2,158.76 km) |
| Cay to Rosstal | 1,242.50 mi (1,999.60 km) |
| Cay to Rostock | 1,390.21 mi (2,237.33 km) |
| Cay to Rotenburg an der Fulda | 1,342.37 mi (2,160.34 km) |
| Cay to Roth | 1,229.13 mi (1,978.09 km) |
