| Opatija to Berga | 660.01 mi (1,062.19 km) |
| Opatija to Berja | 1,069.15 mi (1,720.63 km) |
| Opatija to Bermeo | 849.53 mi (1,367.18 km) |
| Opatija to Berriozar | 809.78 mi (1,303.21 km) |
| Opatija to Betanzos | 1,118.32 mi (1,799.76 km) |
| Opatija to Betera | 848.80 mi (1,366.00 km) |
| Opatija to Bilbao | 862.04 mi (1,387.32 km) |
| Opatija to Binefar | 739.61 mi (1,190.29 km) |
| Opatija to Binisalem | 701.44 mi (1,128.86 km) |
| Opatija to Blanes | 628.96 mi (1,012.21 km) |
| Opatija to Boadilla del Monte | 978.64 mi (1,574.97 km) |
| Opatija to Boiro | 1,163.87 mi (1,873.07 km) |
| Opatija to Bolanos de Calatrava | 1,022.36 mi (1,645.33 km) |
| Opatija to Bollullos de la Mitacion | 1,190.81 mi (1,916.43 km) |
| Opatija to Bollullos par del Condado | 1,209.10 mi (1,945.85 km) |
