| Koper to Azcoitia | 807.78 mi (1,300.00 km) |
| Koper to Azpeitia | 805.55 mi (1,296.41 km) |
| Koper to Azuqueca de Henares | 922.56 mi (1,484.72 km) |
| Koper to Badajoz | 1,151.26 mi (1,852.77 km) |
| Koper to Badalona | 641.98 mi (1,033.16 km) |
| Koper to Baena | 1,078.33 mi (1,735.40 km) |
| Koper to Baeza | 1,025.92 mi (1,651.06 km) |
| Koper to Bailen | 1,035.13 mi (1,665.87 km) |
| Koper to Balaguer | 695.34 mi (1,119.05 km) |
| Koper to Banolas | 595.12 mi (957.75 km) |
| Koper to Baranain | 785.08 mi (1,263.47 km) |
| Koper to Barbadanes | 1,096.47 mi (1,764.60 km) |
| Koper to Barbastro | 719.66 mi (1,158.19 km) |
| Koper to Barcelona | 646.27 mi (1,040.07 km) |
| Koper to Bargas | 977.93 mi (1,573.83 km) |
