| Solothurn to Castle Rock (Colorado) | 5,153.99 mi (8,294.54 km) |
| Solothurn to Castro Valley (California) | 5,796.34 mi (9,328.31 km) |
| Solothurn to Catalina Foothills (Arizona) | 5,746.10 mi (9,247.46 km) |
| Solothurn to Cataño (Puerto Rico) | 4,532.04 mi (7,293.61 km) |
| Solothurn to Cathedral City (California) | 5,848.92 mi (9,412.93 km) |
| Solothurn to Catonsville (Maryland) | 4,067.64 mi (6,546.23 km) |
| Solothurn to Cave Spring (Virginia) | 4,293.96 mi (6,910.46 km) |
| Solothurn to Cayce (South Carolina) | 4,485.76 mi (7,219.13 km) |
| Solothurn to Cayey (Puerto Rico) | 4,548.50 mi (7,320.11 km) |
| Solothurn to Cedar City (Utah) | 5,522.90 mi (8,888.24 km) |
| Solothurn to Cedar Falls (Iowa) | 4,549.48 mi (7,321.68 km) |
| Solothurn to Cedar Hill (Texas) | 5,209.98 mi (8,384.65 km) |
| Solothurn to Cedar Lake (Indiana) | 4,410.90 mi (7,098.66 km) |
| Solothurn to Cedar Mill (Oregon) | 5,357.12 mi (8,621.45 km) |
| Solothurn to Cedar Park (Texas) | 5,349.71 mi (8,609.53 km) |
