| Seaham to Corinth (Mississippi) | 4,183.98 mi (6,733.46 km) |
| Seaham to Corinth (Texas) | 4,594.24 mi (7,393.71 km) |
| Seaham to Cornelius (North Carolina) | 3,867.45 mi (6,224.07 km) |
| Seaham to Cornelius (Oregon) | 4,712.82 mi (7,584.55 km) |
| Seaham to Corning (New York) | 3,396.65 mi (5,466.38 km) |
| Seaham to Corona (California) | 5,241.72 mi (8,435.73 km) |
| Seaham to Coronado (California) | 5,299.24 mi (8,528.31 km) |
| Seaham to Corpus Christi (Texas) | 4,900.70 mi (7,886.92 km) |
| Seaham to Corsicana (Texas) | 4,629.67 mi (7,450.74 km) |
| Seaham to Cortland (New York) | 3,342.42 mi (5,379.10 km) |
| Seaham to Corvallis (Oregon) | 4,774.43 mi (7,683.70 km) |
| Seaham to Coshocton (Ohio) | 3,666.81 mi (5,901.16 km) |
| Seaham to Costa Mesa (California) | 5,263.77 mi (8,471.21 km) |
| Seaham to Coto de Caza (California) | 5,257.90 mi (8,461.78 km) |
| Seaham to Cottage Grove (Minnesota) | 3,841.82 mi (6,182.81 km) |
