| Seia to Caño Martin Peña (Puerto Rico) | 3,749.53 mi (6,034.28 km) |
| Seia to Cañon City (Colorado) | 4,907.46 mi (7,897.80 km) |
| Seia to Canóvanas (Puerto Rico) | 3,744.25 mi (6,025.79 km) |
| Seia to Canton (Georgia) | 4,105.55 mi (6,607.24 km) |
| Seia to Canton (Illinois) | 4,151.27 mi (6,680.82 km) |
| Seia to Canton (Mississippi) | 4,437.11 mi (7,140.84 km) |
| Seia to Canton (Ohio) | 3,740.67 mi (6,020.02 km) |
| Seia to Canyon (Texas) | 4,903.92 mi (7,892.10 km) |
| Seia to Canyon Lake (California) | 5,631.98 mi (9,063.80 km) |
| Seia to Canyon Lake (Texas) | 4,943.30 mi (7,955.48 km) |
| Seia to Cape Coral (Florida) | 4,259.02 mi (6,854.23 km) |
| Seia to Cape Girardeau (Missouri) | 4,241.88 mi (6,826.65 km) |
| Seia to Carbondale (Illinois) | 4,211.55 mi (6,777.83 km) |
| Seia to Carlisle (Pennsylvania) | 3,560.16 mi (5,729.52 km) |
| Seia to Carlsbad (California) | 5,659.71 mi (9,108.43 km) |
