| Solothurn to Nyon | 84.24 mi (135.57 km) |
| Solothurn to Oberriet | 95.57 mi (153.80 km) |
| Solothurn to Obersiggenthal | 40.13 mi (64.58 km) |
| Solothurn to Oberwil | 20.53 mi (33.04 km) |
| Solothurn to Oberwingert | 61.44 mi (98.87 km) |
| Solothurn to Oftringen | 19.26 mi (30.99 km) |
| Solothurn to Olten | 19.50 mi (31.38 km) |
| Solothurn to Onex | 98.54 mi (158.59 km) |
| Solothurn to Opfikon | 50.66 mi (81.53 km) |
| Solothurn to Ostermundigen | 18.20 mi (29.29 km) |
| Solothurn to Payerne | 39.53 mi (63.62 km) |
| Solothurn to Pfaffikon | 59.49 mi (95.74 km) |
| Solothurn to Plan-les-Ouates | 98.84 mi (159.07 km) |
| Solothurn to Pratteln | 22.15 mi (35.64 km) |
| Solothurn to Prilly | 64.60 mi (103.96 km) |
