| Penarth to Ratingen | 432.01 mi (695.25 km) |
| Penarth to Ratzeburg | 604.20 mi (972.36 km) |
| Penarth to Raubling | 727.05 mi (1,170.07 km) |
| Penarth to Rauenberg | 543.70 mi (875.00 km) |
| Penarth to Raunheim | 516.98 mi (832.00 km) |
| Penarth to Ravensburg | 624.21 mi (1,004.58 km) |
| Penarth to Recke | 468.29 mi (753.64 km) |
| Penarth to Recklinghausen | 444.08 mi (714.67 km) |
| Penarth to Regen | 739.20 mi (1,189.63 km) |
| Penarth to Regensburg | 693.19 mi (1,115.58 km) |
| Penarth to Regenstauf | 692.66 mi (1,114.73 km) |
| Penarth to Rehau | 666.39 mi (1,072.46 km) |
| Penarth to Rehburg-Loccum | 531.25 mi (854.97 km) |
| Penarth to Rehlingen-Siersburg | 456.12 mi (734.05 km) |
| Penarth to Reichelsheim | 539.49 mi (868.22 km) |
