| Kastamonu to Reichenbach/Vogtland | 1,205.85 mi (1,940.63 km) |
| Kastamonu to Reinbek | 1,371.74 mi (2,207.59 km) |
| Kastamonu to Reinfeld | 1,374.06 mi (2,211.33 km) |
| Kastamonu to Reinheim | 1,331.31 mi (2,142.54 km) |
| Kastamonu to Reiskirchen | 1,347.28 mi (2,168.23 km) |
| Kastamonu to Rellingen | 1,391.94 mi (2,240.12 km) |
| Kastamonu to Remagen | 1,413.89 mi (2,275.43 km) |
| Kastamonu to Remscheid | 1,427.50 mi (2,297.33 km) |
| Kastamonu to Rendsburg | 1,418.69 mi (2,283.16 km) |
| Kastamonu to Renningen | 1,307.77 mi (2,104.65 km) |
| Kastamonu to Reutlingen | 1,290.71 mi (2,077.20 km) |
| Kastamonu to Rhaude | 1,461.83 mi (2,352.59 km) |
| Kastamonu to Rheda-Wiedenbruck | 1,398.07 mi (2,249.98 km) |
| Kastamonu to Rhede | 1,462.05 mi (2,352.95 km) |
| Kastamonu to Rheinau | 1,350.69 mi (2,173.72 km) |
