| Zarautz to Bicaz | 1,392.96 mi (2,241.74 km) |
| Zarautz to Bistrita | 1,318.26 mi (2,121.54 km) |
| Zarautz to Blaj | 1,289.74 mi (2,075.64 km) |
| Zarautz to Bocsa | 1,184.53 mi (1,906.32 km) |
| Zarautz to Boldesti-Scaeni | 1,395.81 mi (2,246.34 km) |
| Zarautz to Bolintin Vale | 1,386.57 mi (2,231.47 km) |
| Zarautz to Borsa | 1,327.46 mi (2,136.34 km) |
| Zarautz to Botosani | 1,420.94 mi (2,286.79 km) |
| Zarautz to Brad | 1,235.94 mi (1,989.05 km) |
| Zarautz to Bragadiru | 1,397.86 mi (2,249.64 km) |
| Zarautz to Braila | 1,487.81 mi (2,394.40 km) |
| Zarautz to Brasov | 1,372.65 mi (2,209.06 km) |
| Zarautz to Breaza | 1,377.04 mi (2,216.13 km) |
| Zarautz to Bucharest | 1,403.68 mi (2,259.00 km) |
| Zarautz to Buftea | 1,395.06 mi (2,245.14 km) |
