| Serpa to Ratingen | 1,160.20 mi (1,867.16 km) |
| Serpa to Ratzeburg | 1,393.39 mi (2,242.44 km) |
| Serpa to Raubling | 1,202.02 mi (1,934.46 km) |
| Serpa to Rauenberg | 1,125.65 mi (1,811.56 km) |
| Serpa to Raunheim | 1,149.53 mi (1,849.98 km) |
| Serpa to Ravensburg | 1,101.09 mi (1,772.03 km) |
| Serpa to Recke | 1,239.68 mi (1,995.07 km) |
| Serpa to Recklinghausen | 1,183.76 mi (1,905.09 km) |
| Serpa to Regen | 1,281.89 mi (2,063.01 km) |
| Serpa to Regensburg | 1,242.23 mi (1,999.18 km) |
| Serpa to Regenstauf | 1,247.76 mi (2,008.07 km) |
| Serpa to Rehau | 1,285.22 mi (2,068.37 km) |
| Serpa to Rehburg-Loccum | 1,287.32 mi (2,071.74 km) |
| Serpa to Rehlingen-Siersburg | 1,060.58 mi (1,706.84 km) |
| Serpa to Reichelsheim | 1,149.60 mi (1,850.11 km) |
