| Llanelli to Sabadell | 760.22 mi (1,223.46 km) |
| Llanelli to Sabinanigo | 657.75 mi (1,058.55 km) |
| Llanelli to Sagunto | 850.31 mi (1,368.44 km) |
| Llanelli to Salamanca | 744.02 mi (1,197.39 km) |
| Llanelli to Salobrena | 1,032.45 mi (1,661.57 km) |
| Llanelli to Salou | 774.41 mi (1,246.30 km) |
| Llanelli to Salt | 746.10 mi (1,200.73 km) |
| Llanelli to Salvatierra de Mino | 693.92 mi (1,116.76 km) |
| Llanelli to Sama | 583.57 mi (939.17 km) |
| Llanelli to San Adrian de Besos | 769.87 mi (1,238.98 km) |
| Llanelli to San Agustin de Guadalix | 760.88 mi (1,224.52 km) |
| Llanelli to San Andres de la Barca | 764.36 mi (1,230.12 km) |
| Llanelli to San Andres de Llevaneras | 765.68 mi (1,232.24 km) |
| Llanelli to San Andres del Rabanedo | 630.08 mi (1,014.02 km) |
| Llanelli to San Bartolome | 1,744.88 mi (2,808.12 km) |
