| Porthcawl to Selargius | 1,046.84 mi (1,684.73 km) |
| Porthcawl to Selvazzano Dentro | 822.58 mi (1,323.82 km) |
| Porthcawl to Senago | 712.71 mi (1,146.99 km) |
| Porthcawl to Senigallia | 949.63 mi (1,528.28 km) |
| Porthcawl to Seravezza | 825.68 mi (1,328.81 km) |
| Porthcawl to Seregno | 712.29 mi (1,146.31 km) |
| Porthcawl to Seriate | 730.34 mi (1,175.37 km) |
| Porthcawl to Sermoneta | 1,044.06 mi (1,680.25 km) |
| Porthcawl to Serramanna | 1,030.17 mi (1,657.90 km) |
| Porthcawl to Serravalle Pistoiese | 852.14 mi (1,371.38 km) |
| Porthcawl to Sessa Aurunca | 1,093.83 mi (1,760.34 km) |
| Porthcawl to Sesto Calende | 687.50 mi (1,106.42 km) |
| Porthcawl to Sesto Fiorentino | 868.67 mi (1,397.98 km) |
| Porthcawl to Sesto San Giovanni | 718.64 mi (1,156.54 km) |
| Porthcawl to Sestri Levante | 782.57 mi (1,259.42 km) |
