| Seaham to Camas (Washington) | 4,692.12 mi (7,551.24 km) |
| Seaham to Cambridge (Maryland) | 3,530.21 mi (5,681.33 km) |
| Seaham to Cambridge (Massachusetts) | 3,159.51 mi (5,084.74 km) |
| Seaham to Camden (Arkansas) | 4,417.36 mi (7,109.06 km) |
| Seaham to Camden (New Jersey) | 3,426.40 mi (5,514.26 km) |
| Seaham to Cameron Park (California) | 5,059.90 mi (8,143.12 km) |
| Seaham to Camp Pendleton South (California) | 5,273.21 mi (8,486.41 km) |
| Seaham to Camp Springs (Maryland) | 3,550.33 mi (5,713.70 km) |
| Seaham to Camp Verde (Arizona) | 5,021.79 mi (8,081.79 km) |
| Seaham to Campbell (California) | 5,169.53 mi (8,319.56 km) |
| Seaham to Campbellsville (Kentucky) | 3,942.77 mi (6,345.28 km) |
| Seaham to Campton Hills (Illinois) | 3,825.30 mi (6,156.23 km) |
| Seaham to Canby (Oregon) | 4,718.35 mi (7,593.45 km) |
| Seaham to Candelaria (Puerto Rico) | 4,190.73 mi (6,744.32 km) |
| Seaham to Candler-McAfee (Georgia) | 4,086.56 mi (6,576.69 km) |
