| Seaham to Ridgeland (Mississippi) | 4,377.42 mi (7,044.77 km) |
| Seaham to Ridgewood (New Jersey) | 3,338.87 mi (5,373.39 km) |
| Seaham to Rifle (Colorado) | 4,611.80 mi (7,421.98 km) |
| Seaham to Rincon (Georgia) | 4,043.35 mi (6,507.14 km) |
| Seaham to Ringwood (New Jersey) | 3,339.29 mi (5,374.06 km) |
| Seaham to Río Grande (Puerto Rico) | 4,177.29 mi (6,722.69 km) |
| Seaham to Rio Grande City (Texas) | 5,028.40 mi (8,092.43 km) |
| Seaham to Rio Linda (California) | 5,071.87 mi (8,162.39 km) |
| Seaham to Rio Rancho (New Mexico) | 4,812.23 mi (7,744.53 km) |
| Seaham to Rio Rico (Arizona) | 5,168.92 mi (8,318.58 km) |
| Seaham to Ripon (California) | 5,118.93 mi (8,238.12 km) |
| Seaham to River Edge (New Jersey) | 3,338.61 mi (5,372.97 km) |
| Seaham to River Falls (Wisconsin) | 3,829.25 mi (6,162.58 km) |
| Seaham to River Forest (Illinois) | 3,806.52 mi (6,126.00 km) |
| Seaham to River Grove (Illinois) | 3,805.74 mi (6,124.75 km) |
