| Solothurn to Cloverly (Maryland) | 4,085.22 mi (6,574.52 km) |
| Solothurn to Clovis (California) | 5,777.70 mi (9,298.31 km) |
| Solothurn to Clovis (New Mexico) | 5,353.29 mi (8,615.28 km) |
| Solothurn to Clute (Texas) | 5,327.30 mi (8,573.47 km) |
| Solothurn to Coachella (California) | 5,846.76 mi (9,409.45 km) |
| Solothurn to Coalinga (California) | 5,836.82 mi (9,393.46 km) |
| Solothurn to Coamo (Puerto Rico) | 4,559.79 mi (7,338.27 km) |
| Solothurn to Coatesville (Pennsylvania) | 3,998.39 mi (6,434.79 km) |
| Solothurn to Cockeysville (Maryland) | 4,053.73 mi (6,523.85 km) |
| Solothurn to Cocoa (Florida) | 4,732.51 mi (7,616.24 km) |
| Solothurn to Cocoa Beach (Florida) | 4,728.62 mi (7,609.98 km) |
| Solothurn to Coconut Creek (Florida) | 4,806.19 mi (7,734.82 km) |
| Solothurn to Coeur d'Alene (Idaho) | 5,073.84 mi (8,165.56 km) |
| Solothurn to Cohoes (New York) | 3,796.47 mi (6,109.84 km) |
| Solothurn to Cold Springs (Nevada) | 5,620.38 mi (9,045.12 km) |
