| Solothurn to Bierun | 564.16 mi (907.92 km) |
| Solothurn to Bierun Stary | 563.00 mi (906.07 km) |
| Solothurn to Bilgoraj | 726.46 mi (1,169.12 km) |
| Solothurn to Biskupiec | 745.64 mi (1,199.99 km) |
| Solothurn to Blachownia | 573.05 mi (922.24 km) |
| Solothurn to Blonie | 676.98 mi (1,089.50 km) |
| Solothurn to Bochnia | 618.72 mi (995.73 km) |
| Solothurn to Bogatynia | 421.52 mi (678.37 km) |
| Solothurn to Boguszow-Gorce | 462.75 mi (744.72 km) |
| Solothurn to Boleslawiec | 457.41 mi (736.13 km) |
| Solothurn to Braniewo | 728.67 mi (1,172.68 km) |
| Solothurn to Brodnica | 668.73 mi (1,076.21 km) |
| Solothurn to Brwinow | 679.11 mi (1,092.93 km) |
| Solothurn to Brzeg | 515.80 mi (830.10 km) |
| Solothurn to Brzeg Dolny | 499.63 mi (804.08 km) |
