| Seaham to La Union | 1,190.04 mi (1,915.19 km) |
| Seaham to La Victoria de Acentejo | 1,974.92 mi (3,178.32 km) |
| Seaham to Laguna de Duero | 928.77 mi (1,494.71 km) |
| Seaham to Lalin | 896.04 mi (1,442.03 km) |
| Seaham to Lardero | 859.22 mi (1,382.77 km) |
| Seaham to Laredo | 794.87 mi (1,279.22 km) |
| Seaham to Las Cabezas de San Juan | 1,252.88 mi (2,016.32 km) |
| Seaham to Las Palmas | 1,976.02 mi (3,180.10 km) |
| Seaham to Las Rozas de Madrid | 998.19 mi (1,606.42 km) |
| Seaham to Las Torres de Cotillas | 1,161.72 mi (1,869.60 km) |
| Seaham to Lebrija | 1,258.28 mi (2,025.00 km) |
| Seaham to Leganes | 1,008.86 mi (1,623.61 km) |
| Seaham to Leon | 866.62 mi (1,394.69 km) |
| Seaham to Lepe | 1,246.10 mi (2,005.40 km) |
| Seaham to Linares | 1,162.75 mi (1,871.27 km) |
