| Saint-Omer to Sannois | 122.72 mi (197.49 km) |
| Saint-Omer to Saran | 194.00 mi (312.22 km) |
| Saint-Omer to Sarcelles | 121.22 mi (195.08 km) |
| Saint-Omer to Sarlat-la-Caneda | 407.65 mi (656.04 km) |
| Saint-Omer to Sarrebourg | 255.18 mi (410.68 km) |
| Saint-Omer to Sarreguemines | 241.94 mi (389.37 km) |
| Saint-Omer to Sartrouville | 125.21 mi (201.50 km) |
| Saint-Omer to Sarzeau | 318.05 mi (511.85 km) |
| Saint-Omer to Sassenage | 413.99 mi (666.26 km) |
| Saint-Omer to Saumur | 263.25 mi (423.65 km) |
| Saint-Omer to Savenay | 301.53 mi (485.27 km) |
| Saint-Omer to Saverne | 266.55 mi (428.98 km) |
| Saint-Omer to Savigny-le-Temple | 150.22 mi (241.76 km) |
| Saint-Omer to Savigny-sur-Orge | 142.98 mi (230.10 km) |
| Saint-Omer to Sceaux | 136.10 mi (219.03 km) |
