| Holyhead to Sarkisla | 2,143.48 mi (3,449.60 km) |
| Holyhead to Saruhanli | 1,820.26 mi (2,929.43 km) |
| Holyhead to Sason | 2,391.14 mi (3,848.16 km) |
| Holyhead to Savastepe | 1,792.72 mi (2,885.11 km) |
| Holyhead to Savsat | 2,306.21 mi (3,711.48 km) |
| Holyhead to Savur | 2,408.83 mi (3,876.64 km) |
| Holyhead to Sefaatli | 2,069.82 mi (3,331.05 km) |
| Holyhead to Seferhisar | 1,818.08 mi (2,925.91 km) |
| Holyhead to Selcuk | 1,850.76 mi (2,978.50 km) |
| Holyhead to Selcuklu | 2,054.05 mi (3,305.68 km) |
| Holyhead to Selendi | 1,870.37 mi (3,010.08 km) |
| Holyhead to Selim | 2,356.70 mi (3,792.73 km) |
| Holyhead to Semdinli | 2,570.32 mi (4,136.54 km) |
| Holyhead to Senirkent | 1,966.60 mi (3,164.94 km) |
| Holyhead to Senkaya | 2,334.36 mi (3,756.78 km) |
