| Northolt to Seysses | 561.58 mi (903.77 km) |
| Northolt to Sin-le-Noble | 172.22 mi (277.17 km) |
| Northolt to Six-Fours-les-Plages | 651.03 mi (1,047.73 km) |
| Northolt to Soissons | 220.78 mi (355.31 km) |
| Northolt to Soisy-sous-Montmorency | 212.48 mi (341.95 km) |
| Northolt to Sollies-Pont | 650.09 mi (1,046.21 km) |
| Northolt to Somain | 178.85 mi (287.82 km) |
| Northolt to Sorgues | 574.56 mi (924.67 km) |
| Northolt to Sotteville-les-Rouen | 161.03 mi (259.15 km) |
| Northolt to Soyaux | 408.91 mi (658.08 km) |
| Northolt to Stains | 216.73 mi (348.80 km) |
| Northolt to Stiring-Wendel | 359.98 mi (579.34 km) |
| Northolt to Strasbourg | 413.78 mi (665.91 km) |
| Northolt to Sucy-en-Brie | 230.64 mi (371.17 km) |
| Northolt to Suresnes | 217.50 mi (350.03 km) |
