| Kastamonu to Boekel | 1,499.19 mi (2,412.72 km) |
| Kastamonu to Bolsward | 1,536.94 mi (2,473.47 km) |
| Kastamonu to Borger | 1,484.52 mi (2,389.10 km) |
| Kastamonu to Borne | 1,470.83 mi (2,367.07 km) |
| Kastamonu to Boskoop | 1,550.11 mi (2,494.66 km) |
| Kastamonu to Boxmeer | 1,488.61 mi (2,395.69 km) |
| Kastamonu to Boxtel | 1,512.56 mi (2,434.23 km) |
| Kastamonu to Breda | 1,535.65 mi (2,471.39 km) |
| Kastamonu to Breukelen | 1,538.00 mi (2,475.18 km) |
| Kastamonu to Brielle | 1,566.60 mi (2,521.20 km) |
| Kastamonu to Bronkhorst | 1,488.48 mi (2,395.47 km) |
| Kastamonu to Brummen | 1,489.82 mi (2,397.63 km) |
| Kastamonu to Brunssum | 1,474.07 mi (2,372.29 km) |
| Kastamonu to Bunnik | 1,526.10 mi (2,456.02 km) |
| Kastamonu to Burgum | 1,522.11 mi (2,449.60 km) |
