| Seaham to Carlsbad (New Mexico) | 4,888.99 mi (7,868.06 km) |
| Seaham to Carmel (Indiana) | 3,841.03 mi (6,181.55 km) |
| Seaham to Carmichael (California) | 5,071.92 mi (8,162.46 km) |
| Seaham to Carney (Maryland) | 3,506.19 mi (5,642.67 km) |
| Seaham to Carnot-Moon (Pennsylvania) | 3,593.14 mi (5,782.61 km) |
| Seaham to Carol Stream (Illinois) | 3,816.59 mi (6,142.21 km) |
| Seaham to Carolina (Puerto Rico) | 4,181.32 mi (6,729.18 km) |
| Seaham to Carolina Forest (South Carolina) | 3,877.76 mi (6,240.65 km) |
| Seaham to Carpentersville (Illinois) | 3,812.21 mi (6,135.16 km) |
| Seaham to Carpinteria (California) | 5,269.10 mi (8,479.80 km) |
| Seaham to Carrboro (North Carolina) | 3,775.58 mi (6,076.20 km) |
| Seaham to Carroll (Iowa) | 4,046.56 mi (6,512.31 km) |
| Seaham to Carrollton (Georgia) | 4,125.05 mi (6,638.63 km) |
| Seaham to Carrollton (Texas) | 4,596.48 mi (7,397.31 km) |
| Seaham to Carrollwood (Florida) | 4,314.94 mi (6,944.23 km) |
