| Solothurn to Cicero (Illinois) | 4,401.83 mi (7,084.07 km) |
| Solothurn to Cimarron Hills (Colorado) | 5,175.70 mi (8,329.48 km) |
| Solothurn to Cincinnati (Ohio) | 4,394.78 mi (7,072.71 km) |
| Solothurn to Cinco Ranch (Texas) | 5,305.94 mi (8,539.09 km) |
| Solothurn to Circleville (Ohio) | 4,309.96 mi (6,936.21 km) |
| Solothurn to Citrus (California) | 5,878.68 mi (9,460.82 km) |
| Solothurn to Citrus Heights (California) | 5,716.28 mi (9,199.47 km) |
| Solothurn to Citrus Park (Florida) | 4,826.59 mi (7,767.65 km) |
| Solothurn to Claiborne (Louisiana) | 5,020.66 mi (8,079.97 km) |
| Solothurn to Claremont (California) | 5,872.58 mi (9,451.01 km) |
| Solothurn to Claremont (New Hampshire) | 3,715.75 mi (5,979.92 km) |
| Solothurn to Claremore (Oklahoma) | 4,969.79 mi (7,998.11 km) |
| Solothurn to Clarksburg (Maryland) | 4,091.42 mi (6,584.51 km) |
| Solothurn to Clarksburg (West Virginia) | 4,216.63 mi (6,786.00 km) |
| Solothurn to Clarksdale (Mississippi) | 4,873.33 mi (7,842.86 km) |
