| Siano to Caño Martin Peña (Puerto Rico) | 4,920.17 mi (7,918.24 km) |
| Siano to Cañon City (Colorado) | 5,779.65 mi (9,301.45 km) |
| Siano to Canóvanas (Puerto Rico) | 4,915.03 mi (7,909.98 km) |
| Siano to Canton (Georgia) | 5,144.87 mi (8,279.88 km) |
| Siano to Canton (Illinois) | 5,100.44 mi (8,208.36 km) |
| Siano to Canton (Mississippi) | 5,461.92 mi (8,790.11 km) |
| Siano to Canton (Ohio) | 4,732.72 mi (7,616.58 km) |
| Siano to Canyon (Texas) | 5,834.11 mi (9,389.09 km) |
| Siano to Canyon Lake (California) | 6,450.66 mi (10,381.34 km) |
| Siano to Canyon Lake (Texas) | 5,943.01 mi (9,564.35 km) |
| Siano to Cape Coral (Florida) | 5,363.73 mi (8,632.09 km) |
| Siano to Cape Girardeau (Missouri) | 5,226.91 mi (8,411.90 km) |
| Siano to Carbondale (Illinois) | 5,194.43 mi (8,359.63 km) |
| Siano to Carlisle (Pennsylvania) | 4,577.94 mi (7,367.48 km) |
| Siano to Carlsbad (California) | 6,483.53 mi (10,434.23 km) |
