| Solothurn to Cabestany | 385.36 mi (620.17 km) |
| Solothurn to Cabries | 281.03 mi (452.28 km) |
| Solothurn to Cachan | 263.86 mi (424.65 km) |
| Solothurn to Caen | 388.21 mi (624.76 km) |
| Solothurn to Cagnes-sur-Mer | 246.15 mi (396.13 km) |
| Solothurn to Cahors | 350.04 mi (563.34 km) |
| Solothurn to Calais | 363.76 mi (585.41 km) |
| Solothurn to Caluire-et-Cuire | 161.11 mi (259.28 km) |
| Solothurn to Cambrai | 283.18 mi (455.73 km) |
| Solothurn to Canet-en-Roussillon | 382.10 mi (614.93 km) |
| Solothurn to Cannes | 254.51 mi (409.59 km) |
| Solothurn to Canteleu | 335.84 mi (540.48 km) |
| Solothurn to Capbreton | 499.55 mi (803.94 km) |
| Solothurn to Carcassonne | 374.38 mi (602.51 km) |
| Solothurn to Carmaux | 339.47 mi (546.33 km) |