| Serpa to La Victoria de Acentejo | 832.59 mi (1,339.92 km) |
| Serpa to Laguna de Duero | 294.30 mi (473.62 km) |
| Serpa to Lalin | 326.25 mi (525.04 km) |
| Serpa to Lardero | 411.43 mi (662.13 km) |
| Serpa to Laredo | 436.89 mi (703.11 km) |
| Serpa to Las Cabezas de San Juan | 112.68 mi (181.35 km) |
| Serpa to Las Palmas | 815.30 mi (1,312.09 km) |
| Serpa to Las Rozas de Madrid | 265.93 mi (427.97 km) |
| Serpa to Las Torres de Cotillas | 346.07 mi (556.94 km) |
| Serpa to Lebrija | 109.45 mi (176.15 km) |
| Serpa to Leganes | 263.29 mi (423.73 km) |
| Serpa to Leon | 339.30 mi (546.05 km) |
| Serpa to Lepe | 52.39 mi (84.32 km) |
| Serpa to Linares | 216.07 mi (347.73 km) |
| Serpa to Liria | 394.51 mi (634.91 km) |
