| Opatija to Azcoitia | 833.80 mi (1,341.87 km) |
| Opatija to Azpeitia | 831.55 mi (1,338.25 km) |
| Opatija to Azuqueca de Henares | 945.22 mi (1,521.18 km) |
| Opatija to Badajoz | 1,173.72 mi (1,888.92 km) |
| Opatija to Badalona | 662.27 mi (1,065.82 km) |
| Opatija to Baena | 1,097.62 mi (1,766.45 km) |
| Opatija to Baeza | 1,045.06 mi (1,681.86 km) |
| Opatija to Bailen | 1,054.63 mi (1,697.26 km) |
| Opatija to Balaguer | 717.53 mi (1,154.75 km) |
| Opatija to Banolas | 616.51 mi (992.17 km) |
| Opatija to Baranain | 810.32 mi (1,304.08 km) |
| Opatija to Barbadanes | 1,122.99 mi (1,807.28 km) |
| Opatija to Barbastro | 742.75 mi (1,195.35 km) |
| Opatija to Barcelona | 666.50 mi (1,072.63 km) |
| Opatija to Bargas | 1,000.13 mi (1,609.55 km) |
