| Kastamonu to Barmstedt | 1,398.06 mi (2,249.96 km) |
| Kastamonu to Barntrup | 1,369.39 mi (2,203.82 km) |
| Kastamonu to Barsbuttel | 1,376.57 mi (2,215.38 km) |
| Kastamonu to Barsinghausen | 1,363.83 mi (2,194.87 km) |
| Kastamonu to Barssel | 1,454.46 mi (2,340.72 km) |
| Kastamonu to Barth | 1,316.54 mi (2,118.77 km) |
| Kastamonu to Bassum | 1,408.23 mi (2,266.33 km) |
| Kastamonu to Baunatal | 1,338.76 mi (2,154.52 km) |
| Kastamonu to Bautzen | 1,140.09 mi (1,834.80 km) |
| Kastamonu to Bayreuth | 1,217.98 mi (1,960.16 km) |
| Kastamonu to Bebra | 1,316.57 mi (2,118.81 km) |
| Kastamonu to Beckingen | 1,416.07 mi (2,278.94 km) |
| Kastamonu to Beckum | 1,406.33 mi (2,263.26 km) |
| Kastamonu to Bedburg | 1,481.56 mi (2,384.34 km) |
| Kastamonu to Bedburg | 1,450.15 mi (2,333.79 km) |
