| Senec to Centralia (Illinois) | 4,944.85 mi (7,957.97 km) |
| Senec to Centralia (Washington) | 5,457.16 mi (8,782.44 km) |
| Senec to Centreville (Virginia) | 4,485.57 mi (7,218.83 km) |
| Senec to Ceres (California) | 5,979.20 mi (9,622.59 km) |
| Senec to Cerritos (California) | 6,134.54 mi (9,872.60 km) |
| Senec to Chalco (Nebraska) | 5,050.47 mi (8,127.94 km) |
| Senec to Chalmette (Louisiana) | 5,421.70 mi (8,725.38 km) |
| Senec to Chambersburg (Pennsylvania) | 4,442.87 mi (7,150.11 km) |
| Senec to Chamblee (Georgia) | 4,997.39 mi (8,042.51 km) |
| Senec to Champaign (Illinois) | 4,833.22 mi (7,778.32 km) |
| Senec to Champlin (Minnesota) | 4,751.51 mi (7,646.82 km) |
| Senec to Chandler (Arizona) | 5,993.46 mi (9,645.54 km) |
| Senec to Chanhassen (Minnesota) | 4,773.35 mi (7,681.97 km) |
| Senec to Channahon (Illinois) | 4,766.95 mi (7,671.67 km) |
| Senec to Channelview (Texas) | 5,626.00 mi (9,054.18 km) |
