| Seaham to Caguas (Puerto Rico) | 4,193.27 mi (6,748.41 km) |
| Seaham to Cahokia (Illinois) | 4,059.19 mi (6,532.64 km) |
| Seaham to Calabasas (California) | 5,259.06 mi (8,463.63 km) |
| Seaham to Caldwell (Idaho) | 4,649.35 mi (7,482.40 km) |
| Seaham to Caledonia (Wisconsin) | 3,764.19 mi (6,057.88 km) |
| Seaham to Calera (Alabama) | 4,212.00 mi (6,778.56 km) |
| Seaham to Calexico (California) | 5,246.03 mi (8,442.67 km) |
| Seaham to Calhoun (Georgia) | 4,072.63 mi (6,554.27 km) |
| Seaham to California (Maryland) | 3,558.61 mi (5,727.03 km) |
| Seaham to California City (California) | 5,175.27 mi (8,328.80 km) |
| Seaham to Callaway (Florida) | 4,323.35 mi (6,957.76 km) |
| Seaham to Calumet City (Illinois) | 3,810.69 mi (6,132.72 km) |
| Seaham to Calverton (Maryland) | 3,539.23 mi (5,695.84 km) |
| Seaham to Camano (Washington) | 4,542.34 mi (7,310.20 km) |
| Seaham to Camarillo (California) | 5,264.95 mi (8,473.12 km) |
