| Senec to Corinth (Mississippi) | 5,105.63 mi (8,216.71 km) |
| Senec to Corinth (Texas) | 5,515.47 mi (8,876.28 km) |
| Senec to Cornelius (North Carolina) | 4,783.48 mi (7,698.26 km) |
| Senec to Cornelius (Oregon) | 5,533.84 mi (8,905.86 km) |
| Senec to Corning (New York) | 4,317.17 mi (6,947.81 km) |
| Senec to Corona (California) | 6,121.36 mi (9,851.37 km) |
| Senec to Coronado (California) | 6,183.14 mi (9,950.80 km) |
| Senec to Corpus Christi (Texas) | 5,822.83 mi (9,370.94 km) |
| Senec to Corsicana (Texas) | 5,551.54 mi (8,934.34 km) |
| Senec to Cortland (New York) | 4,262.83 mi (6,860.36 km) |
| Senec to Corvallis (Oregon) | 5,597.82 mi (9,008.82 km) |
| Senec to Coshocton (Ohio) | 4,588.35 mi (7,384.23 km) |
| Senec to Costa Mesa (California) | 6,142.65 mi (9,885.65 km) |
| Senec to Coto de Caza (California) | 6,138.12 mi (9,878.35 km) |
| Senec to Cottage Grove (Minnesota) | 4,754.55 mi (7,651.72 km) |
