| Solothurn to Zottegem | 303.54 mi (488.50 km) |
| Solothurn to Zulte | 315.81 mi (508.24 km) |
| Solothurn to Zwevegem | 312.19 mi (502.42 km) |
| Solothurn to Zwijndrecht | 311.76 mi (501.73 km) |
| Solothurn to Asenovgrad | 922.57 mi (1,484.73 km) |
| Solothurn to Aytos | 1,010.02 mi (1,625.47 km) |
| Solothurn to Balchik | 1,032.41 mi (1,661.51 km) |
| Solothurn to Bankya | 822.27 mi (1,323.31 km) |
| Solothurn to Bansko | 867.20 mi (1,395.62 km) |
| Solothurn to Berkovitsa | 805.06 mi (1,295.62 km) |
| Solothurn to Blagoevgrad | 843.44 mi (1,357.38 km) |
| Solothurn to Botevgrad | 845.63 mi (1,360.90 km) |
| Solothurn to Burgas | 1,025.93 mi (1,651.08 km) |
| Solothurn to Byala Slatina | 835.67 mi (1,344.89 km) |
| Solothurn to Chirpan | 937.23 mi (1,508.33 km) |
