| Solothurn to Benisa | 697.93 mi (1,123.20 km) |
| Solothurn to Berga | 450.43 mi (724.89 km) |
| Solothurn to Berja | 894.27 mi (1,439.19 km) |
| Solothurn to Bermeo | 562.65 mi (905.49 km) |
| Solothurn to Berriozar | 541.34 mi (871.20 km) |
| Solothurn to Betanzos | 811.01 mi (1,305.20 km) |
| Solothurn to Betera | 661.53 mi (1,064.63 km) |
| Solothurn to Bilbao | 576.99 mi (928.58 km) |
| Solothurn to Binefar | 513.78 mi (826.85 km) |
| Solothurn to Binisalem | 571.15 mi (919.18 km) |
| Solothurn to Blanes | 448.52 mi (721.83 km) |
| Solothurn to Boadilla del Monte | 736.87 mi (1,185.87 km) |
| Solothurn to Boiro | 861.44 mi (1,386.36 km) |
| Solothurn to Bolanos de Calatrava | 807.24 mi (1,299.13 km) |
| Solothurn to Bollullos de la Mitacion | 974.28 mi (1,567.95 km) |
