| Helensburgh to San Baudilio de Llobregat | 1,058.49 mi (1,703.47 km) |
| Helensburgh to San Celoni | 1,041.58 mi (1,676.26 km) |
| Helensburgh to San Cugat del Valles | 1,050.51 mi (1,690.64 km) |
| Helensburgh to San Fausto de Campcentellas | 1,050.39 mi (1,690.43 km) |
| Helensburgh to San Feliu de Guixols | 1,043.35 mi (1,679.10 km) |
| Helensburgh to San Feliu de Llobregat | 1,056.01 mi (1,699.48 km) |
| Helensburgh to San Fernando | 1,352.51 mi (2,176.65 km) |
| Helensburgh to San Fernando de Henares | 1,078.60 mi (1,735.84 km) |
| Helensburgh to San Fructuoso de Bages | 1,029.22 mi (1,656.36 km) |
| Helensburgh to San Javier | 1,271.27 mi (2,045.92 km) |
| Helensburgh to San Juan de Alicante | 1,233.09 mi (1,984.47 km) |
| Helensburgh to San Juan de Aznalfarache | 1,289.96 mi (2,075.99 km) |
| Helensburgh to San Juan de Vilasar | 1,052.51 mi (1,693.84 km) |
| Helensburgh to San Juan del Puerto | 1,295.72 mi (2,085.26 km) |
| Helensburgh to San Juan Despi | 1,057.28 mi (1,701.53 km) |
