| Silves to Caño Martin Peña (Puerto Rico) | 3,690.98 mi (5,940.06 km) |
| Silves to Cañon City (Colorado) | 5,003.44 mi (8,052.26 km) |
| Silves to Canóvanas (Puerto Rico) | 3,685.08 mi (5,930.56 km) |
| Silves to Canton (Georgia) | 4,150.67 mi (6,679.86 km) |
| Silves to Canton (Illinois) | 4,229.95 mi (6,807.44 km) |
| Silves to Canton (Mississippi) | 4,486.12 mi (7,219.71 km) |
| Silves to Canton (Ohio) | 3,807.65 mi (6,127.82 km) |
| Silves to Canyon (Texas) | 4,983.17 mi (8,019.65 km) |
| Silves to Canyon Lake (California) | 5,736.70 mi (9,232.33 km) |
| Silves to Canyon Lake (Texas) | 4,998.83 mi (8,044.83 km) |
| Silves to Cape Coral (Florida) | 4,269.69 mi (6,871.40 km) |
| Silves to Cape Girardeau (Missouri) | 4,307.54 mi (6,932.32 km) |
| Silves to Carbondale (Illinois) | 4,278.20 mi (6,885.10 km) |
| Silves to Carlisle (Pennsylvania) | 3,618.60 mi (5,823.58 km) |
| Silves to Carlsbad (California) | 5,762.99 mi (9,274.63 km) |
