| Aberystwyth to Selargius | 1,106.68 mi (1,781.02 km) |
| Aberystwyth to Selvazzano Dentro | 866.09 mi (1,393.83 km) |
| Aberystwyth to Senago | 760.62 mi (1,224.09 km) |
| Aberystwyth to Senigallia | 995.50 mi (1,602.10 km) |
| Aberystwyth to Seravezza | 876.04 mi (1,409.85 km) |
| Aberystwyth to Seregno | 759.84 mi (1,222.84 km) |
| Aberystwyth to Seriate | 776.74 mi (1,250.04 km) |
| Aberystwyth to Sermoneta | 1,095.11 mi (1,762.40 km) |
| Aberystwyth to Serramanna | 1,090.14 mi (1,754.41 km) |
| Aberystwyth to Serravalle Pistoiese | 901.66 mi (1,451.08 km) |
| Aberystwyth to Sessa Aurunca | 1,144.01 mi (1,841.10 km) |
| Aberystwyth to Sesto Calende | 735.93 mi (1,184.36 km) |
| Aberystwyth to Sesto Fiorentino | 917.70 mi (1,476.90 km) |
| Aberystwyth to Sesto San Giovanni | 766.51 mi (1,233.58 km) |
| Aberystwyth to Sestri Levante | 833.78 mi (1,341.84 km) |
