| Frechen to Ratzeburg | 254.07 mi (408.89 km) |
| Frechen to Raubling | 321.37 mi (517.19 km) |
| Frechen to Rauenberg | 141.32 mi (227.44 km) |
| Frechen to Raunheim | 95.00 mi (152.90 km) |
| Frechen to Ravensburg | 250.36 mi (402.91 km) |
| Frechen to Recke | 107.60 mi (173.17 km) |
| Frechen to Recklinghausen | 48.53 mi (78.10 km) |
| Frechen to Regen | 311.38 mi (501.12 km) |
| Frechen to Regensburg | 268.27 mi (431.74 km) |
| Frechen to Regenstauf | 266.28 mi (428.53 km) |
| Frechen to Rehau | 232.68 mi (374.46 km) |
| Frechen to Rehburg-Loccum | 147.39 mi (237.19 km) |
| Frechen to Rehlingen-Siersburg | 107.14 mi (172.42 km) |
| Frechen to Reichelsheim | 121.90 mi (196.17 km) |
| Frechen to Reichenbach/Vogtland | 240.46 mi (386.98 km) |
