| Holyhead to Sentrupert | 1,012.60 mi (1,629.62 km) |
| Holyhead to Sevnica | 1,019.47 mi (1,640.68 km) |
| Holyhead to Sezana | 978.13 mi (1,574.14 km) |
| Holyhead to Skocjan | 1,023.24 mi (1,646.75 km) |
| Holyhead to Skofja Loka | 974.62 mi (1,568.50 km) |
| Holyhead to Skofljica | 992.72 mi (1,597.63 km) |
| Holyhead to Slovenj Gradec | 990.39 mi (1,593.89 km) |
| Holyhead to Slovenska Bistrica | 1,014.39 mi (1,632.50 km) |
| Holyhead to Slovenske Konjice | 1,010.60 mi (1,626.41 km) |
| Holyhead to Smarje | 1,018.74 mi (1,639.50 km) |
| Holyhead to Smarjeske Toplice | 1,022.44 mi (1,645.45 km) |
| Holyhead to Smartno | 1,000.50 mi (1,610.15 km) |
| Holyhead to Smartno | 995.86 mi (1,602.67 km) |
| Holyhead to Sodrazica | 1,004.43 mi (1,616.48 km) |
| Holyhead to Solcava | 979.05 mi (1,575.64 km) |
