| Port Glasgow to San Baudilio de Llobregat | 1,052.56 mi (1,693.93 km) |
| Port Glasgow to San Celoni | 1,035.66 mi (1,666.73 km) |
| Port Glasgow to San Cugat del Valles | 1,044.58 mi (1,681.10 km) |
| Port Glasgow to San Fausto de Campcentellas | 1,044.46 mi (1,680.90 km) |
| Port Glasgow to San Feliu de Guixols | 1,037.44 mi (1,669.61 km) |
| Port Glasgow to San Feliu de Llobregat | 1,050.08 mi (1,689.94 km) |
| Port Glasgow to San Fernando | 1,346.92 mi (2,167.65 km) |
| Port Glasgow to San Fernando de Henares | 1,072.81 mi (1,726.52 km) |
| Port Glasgow to San Fructuoso de Bages | 1,023.28 mi (1,646.82 km) |
| Port Glasgow to San Javier | 1,265.37 mi (2,036.41 km) |
| Port Glasgow to San Juan de Alicante | 1,227.18 mi (1,974.95 km) |
| Port Glasgow to San Juan de Aznalfarache | 1,284.36 mi (2,066.97 km) |
| Port Glasgow to San Juan de Vilasar | 1,046.58 mi (1,684.31 km) |
| Port Glasgow to San Juan del Puerto | 1,290.19 mi (2,076.36 km) |
| Port Glasgow to San Juan Despi | 1,051.35 mi (1,691.99 km) |
