| Senec to Cicero (Illinois) | 4,727.93 mi (7,608.88 km) |
| Senec to Cimarron Hills (Colorado) | 5,452.91 mi (8,775.61 km) |
| Senec to Cincinnati (Ohio) | 4,743.10 mi (7,633.29 km) |
| Senec to Cinco Ranch (Texas) | 5,652.87 mi (9,097.42 km) |
| Senec to Circleville (Ohio) | 4,661.11 mi (7,501.33 km) |
| Senec to Citrus (California) | 6,114.58 mi (9,840.46 km) |
| Senec to Citrus Heights (California) | 5,918.90 mi (9,525.54 km) |
| Senec to Citrus Park (Florida) | 5,221.31 mi (8,402.89 km) |
| Senec to Claiborne (Louisiana) | 5,369.99 mi (8,642.17 km) |
| Senec to Claremont (California) | 6,109.30 mi (9,831.98 km) |
| Senec to Claremont (New Hampshire) | 4,079.51 mi (6,565.34 km) |
| Senec to Claremore (Oklahoma) | 5,292.50 mi (8,517.45 km) |
| Senec to Clarksburg (Maryland) | 4,460.66 mi (7,178.74 km) |
| Senec to Clarksburg (West Virginia) | 4,576.90 mi (7,365.81 km) |
| Senec to Clarksdale (Mississippi) | 5,221.98 mi (8,403.97 km) |
