| Silves to Castle Rock (Colorado) | 4,951.26 mi (7,968.28 km) |
| Silves to Castro Valley (California) | 5,753.66 mi (9,259.62 km) |
| Silves to Catalina Foothills (Arizona) | 5,510.35 mi (8,868.06 km) |
| Silves to Cataño (Puerto Rico) | 3,695.86 mi (5,947.90 km) |
| Silves to Cathedral City (California) | 5,695.17 mi (9,165.49 km) |
| Silves to Catonsville (Maryland) | 3,618.40 mi (5,823.25 km) |
| Silves to Cave Spring (Virginia) | 3,835.62 mi (6,172.83 km) |
| Silves to Cayce (South Carolina) | 3,983.18 mi (6,410.30 km) |
| Silves to Cayey (Puerto Rico) | 3,709.09 mi (5,969.21 km) |
| Silves to Cedar City (Utah) | 5,381.03 mi (8,659.93 km) |
| Silves to Cedar Falls (Iowa) | 4,282.68 mi (6,892.31 km) |
| Silves to Cedar Hill (Texas) | 4,833.21 mi (7,778.29 km) |
| Silves to Cedar Lake (Indiana) | 4,083.39 mi (6,571.58 km) |
| Silves to Cedar Mill (Oregon) | 5,416.53 mi (8,717.06 km) |
| Silves to Cedar Park (Texas) | 4,952.80 mi (7,970.76 km) |
