| Holyhead to Sanary-sur-Mer | 850.44 mi (1,368.65 km) |
| Holyhead to Sannois | 422.74 mi (680.34 km) |
| Holyhead to Saran | 467.06 mi (751.65 km) |
| Holyhead to Sarcelles | 425.33 mi (684.50 km) |
| Holyhead to Sarlat-la-Caneda | 638.54 mi (1,027.63 km) |
| Holyhead to Sarrebourg | 597.14 mi (961.00 km) |
| Holyhead to Sarreguemines | 582.74 mi (937.84 km) |
| Holyhead to Sartrouville | 421.71 mi (678.67 km) |
| Holyhead to Sarzeau | 407.78 mi (656.26 km) |
| Holyhead to Sassenage | 725.97 mi (1,168.34 km) |
| Holyhead to Saumur | 463.60 mi (746.09 km) |
| Holyhead to Savenay | 427.67 mi (688.27 km) |
| Holyhead to Saverne | 608.21 mi (978.82 km) |
| Holyhead to Savigny-le-Temple | 452.62 mi (728.42 km) |
| Holyhead to Savigny-sur-Orge | 440.52 mi (708.95 km) |
