| Ardea to Rodgau | 606.45 mi (975.99 km) |
| Ardea to Roding | 523.96 mi (843.23 km) |
| Ardea to Rodinghausen | 759.37 mi (1,222.08 km) |
| Ardea to Roetgen | 693.63 mi (1,116.30 km) |
| Ardea to Rommerskirchen | 707.66 mi (1,138.87 km) |
| Ardea to Ronnenberg | 751.81 mi (1,209.92 km) |
| Ardea to Rosbach vor der Hohe | 627.49 mi (1,009.84 km) |
| Ardea to Rosdorf | 694.25 mi (1,117.29 km) |
| Ardea to Rosenheim | 431.16 mi (693.89 km) |
| Ardea to Rosrath | 690.29 mi (1,110.91 km) |
| Ardea to Rossdorf | 597.91 mi (962.24 km) |
| Ardea to Rosstal | 543.76 mi (875.09 km) |
| Ardea to Rostock | 861.57 mi (1,386.56 km) |
| Ardea to Rotenburg an der Fulda | 661.77 mi (1,065.02 km) |
| Ardea to Roth | 531.84 mi (855.91 km) |
