| Apen to Ratzeburg | 125.38 mi (201.78 km) |
| Apen to Raubling | 420.00 mi (675.92 km) |
| Apen to Rauenberg | 275.88 mi (443.99 km) |
| Apen to Raunheim | 223.12 mi (359.07 km) |
| Apen to Ravensburg | 383.97 mi (617.94 km) |
| Apen to Recke | 58.95 mi (94.87 km) |
| Apen to Recklinghausen | 116.31 mi (187.19 km) |
| Apen to Regen | 373.66 mi (601.35 km) |
| Apen to Regensburg | 344.47 mi (554.37 km) |
| Apen to Regenstauf | 339.22 mi (545.92 km) |
| Apen to Rehau | 272.95 mi (439.27 km) |
| Apen to Rehburg-Loccum | 78.99 mi (127.13 km) |
| Apen to Rehlingen-Siersburg | 270.64 mi (435.56 km) |
| Apen to Reichelsheim | 246.29 mi (396.37 km) |
| Apen to Reichenbach/Vogtland | 262.59 mi (422.60 km) |
