| Louth to Sabadell | 822.44 mi (1,323.59 km) |
| Louth to Sabinanigo | 749.73 mi (1,206.57 km) |
| Louth to Sagunto | 946.01 mi (1,522.45 km) |
| Louth to Salamanca | 896.45 mi (1,442.70 km) |
| Louth to Salobrena | 1,161.19 mi (1,868.76 km) |
| Louth to Salou | 850.62 mi (1,368.94 km) |
| Louth to Salt | 797.53 mi (1,283.50 km) |
| Louth to Salvatierra de Mino | 872.45 mi (1,404.07 km) |
| Louth to Sama | 742.25 mi (1,194.53 km) |
| Louth to San Adrian de Besos | 831.15 mi (1,337.61 km) |
| Louth to San Agustin de Guadalix | 892.74 mi (1,436.73 km) |
| Louth to San Andres de la Barca | 828.65 mi (1,333.58 km) |
| Louth to San Andres de Llevaneras | 822.98 mi (1,324.45 km) |
| Louth to San Andres del Rabanedo | 785.91 mi (1,264.80 km) |
| Louth to San Bartolome | 1,928.38 mi (3,103.42 km) |
