| Merzenich to Roding | 288.61 mi (464.47 km) |
| Merzenich to Rodinghausen | 129.62 mi (208.60 km) |
| Merzenich to Roetgen | 18.77 mi (30.21 km) |
| Merzenich to Rommerskirchen | 16.09 mi (25.90 km) |
| Merzenich to Ronnenberg | 169.38 mi (272.59 km) |
| Merzenich to Rosbach vor der Hohe | 102.14 mi (164.37 km) |
| Merzenich to Rosdorf | 153.38 mi (246.84 km) |
| Merzenich to Rosenheim | 325.42 mi (523.71 km) |
| Merzenich to Rosrath | 29.08 mi (46.81 km) |
| Merzenich to Rossdorf | 118.87 mi (191.30 km) |
| Merzenich to Rosstal | 216.68 mi (348.71 km) |
| Merzenich to Rostock | 325.96 mi (524.59 km) |
| Merzenich to Rotenburg an der Fulda | 139.94 mi (225.21 km) |
| Merzenich to Roth | 230.05 mi (370.23 km) |
| Merzenich to Rothenbach an der Pegnitz | 228.56 mi (367.83 km) |
