| Cities | Distance |
|---|---|
| Holyhead to Sceaux | 433.72 mi (698.00 km) |
| Holyhead to Schiltigheim | 627.98 mi (1,010.63 km) |
| Holyhead to Scionzier | 706.25 mi (1,136.61 km) |
| Holyhead to Seclin | 377.81 mi (608.03 km) |
| Holyhead to Sedan | 480.69 mi (773.59 km) |
| Holyhead to Selestat | 631.59 mi (1,016.45 km) |
| Holyhead to Sene | 401.80 mi (646.63 km) |
| Holyhead to Senlis | 421.26 mi (677.95 km) |
| Holyhead to Sens | 494.02 mi (795.05 km) |
| Holyhead to Septemes-les-Vallons | 822.70 mi (1,324.02 km) |
| Holyhead to Serris | 444.93 mi (716.05 km) |
| Holyhead to Sete | 782.70 mi (1,259.64 km) |
| Holyhead to Sevran | 433.19 mi (697.15 km) |
| Holyhead to Sevres | 429.00 mi (690.41 km) |
| Holyhead to Seynod | 701.17 mi (1,128.42 km) |