| Llantwit Major to Selargius | 1,036.92 mi (1,668.75 km) |
| Llantwit Major to Selvazzano Dentro | 812.04 mi (1,306.85 km) |
| Llantwit Major to Senago | 702.14 mi (1,129.98 km) |
| Llantwit Major to Senigallia | 939.06 mi (1,511.27 km) |
| Llantwit Major to Seravezza | 815.15 mi (1,311.85 km) |
| Llantwit Major to Seregno | 701.72 mi (1,129.30 km) |
| Llantwit Major to Seriate | 719.77 mi (1,158.36 km) |
| Llantwit Major to Sermoneta | 1,033.54 mi (1,663.32 km) |
| Llantwit Major to Serramanna | 1,020.26 mi (1,641.95 km) |
| Llantwit Major to Serravalle Pistoiese | 841.59 mi (1,354.40 km) |
| Llantwit Major to Sessa Aurunca | 1,083.29 mi (1,743.39 km) |
| Llantwit Major to Sesto Calende | 676.93 mi (1,089.41 km) |
| Llantwit Major to Sesto Fiorentino | 858.11 mi (1,380.99 km) |
| Llantwit Major to Sesto San Giovanni | 708.07 mi (1,139.53 km) |
| Llantwit Major to Sestri Levante | 772.05 mi (1,242.49 km) |
