| Syston to La Union | 1,042.03 mi (1,676.98 km) |
| Syston to La Victoria de Acentejo | 1,852.02 mi (2,980.54 km) |
| Syston to Laguna de Duero | 786.61 mi (1,265.93 km) |
| Syston to Lalin | 766.81 mi (1,234.06 km) |
| Syston to Lardero | 712.74 mi (1,147.04 km) |
| Syston to Laredo | 650.44 mi (1,046.78 km) |
| Syston to Las Cabezas de San Juan | 1,111.18 mi (1,788.28 km) |
| Syston to Las Palmas | 1,850.20 mi (2,977.61 km) |
| Syston to Las Rozas de Madrid | 853.70 mi (1,373.90 km) |
| Syston to Las Torres de Cotillas | 1,013.88 mi (1,631.68 km) |
| Syston to Lebrija | 1,116.84 mi (1,797.37 km) |
| Syston to Leganes | 864.13 mi (1,390.69 km) |
| Syston to Leon | 727.72 mi (1,171.16 km) |
| Syston to Lepe | 1,107.37 mi (1,782.14 km) |
| Syston to Linares | 1,017.32 mi (1,637.22 km) |
