| Ridderkerk to Ratingen | 104.23 mi (167.74 km) |
| Ridderkerk to Ratzeburg | 286.40 mi (460.91 km) |
| Ridderkerk to Raubling | 436.99 mi (703.27 km) |
| Ridderkerk to Rauenberg | 254.24 mi (409.16 km) |
| Ridderkerk to Raunheim | 210.75 mi (339.16 km) |
| Ridderkerk to Ravensburg | 359.69 mi (578.87 km) |
| Ridderkerk to Recke | 136.80 mi (220.16 km) |
| Ridderkerk to Recklinghausen | 111.35 mi (179.20 km) |
| Ridderkerk to Regen | 425.41 mi (684.63 km) |
| Ridderkerk to Regensburg | 383.40 mi (617.02 km) |
| Ridderkerk to Regenstauf | 381.06 mi (613.25 km) |
| Ridderkerk to Rehau | 340.72 mi (548.34 km) |
| Ridderkerk to Rehburg-Loccum | 199.40 mi (320.90 km) |
| Ridderkerk to Rehlingen-Siersburg | 195.16 mi (314.08 km) |
| Ridderkerk to Reichelsheim | 237.41 mi (382.07 km) |
