| Senec to Cloverly (Maryland) | 4,455.70 mi (7,170.75 km) |
| Senec to Clovis (California) | 5,994.98 mi (9,647.98 km) |
| Senec to Clovis (New Mexico) | 5,654.20 mi (9,099.55 km) |
| Senec to Clute (Texas) | 5,678.05 mi (9,137.94 km) |
| Senec to Coachella (California) | 6,092.76 mi (9,805.35 km) |
| Senec to Coalinga (California) | 6,053.34 mi (9,741.91 km) |
| Senec to Coamo (Puerto Rico) | 5,011.42 mi (8,065.10 km) |
| Senec to Coatesville (Pennsylvania) | 4,368.37 mi (7,030.21 km) |
| Senec to Cockeysville (Maryland) | 4,423.65 mi (7,119.18 km) |
| Senec to Cocoa (Florida) | 5,131.21 mi (8,257.89 km) |
| Senec to Cocoa Beach (Florida) | 5,127.86 mi (8,252.49 km) |
| Senec to Coconut Creek (Florida) | 5,212.70 mi (8,389.03 km) |
| Senec to Coeur d'Alene (Idaho) | 5,262.95 mi (8,469.90 km) |
| Senec to Cohoes (New York) | 4,159.53 mi (6,694.12 km) |
| Senec to Cold Springs (Nevada) | 5,825.84 mi (9,375.79 km) |
