| Harrow Weald to Seysses | 565.29 mi (909.75 km) |
| Harrow Weald to Sin-le-Noble | 172.88 mi (278.23 km) |
| Harrow Weald to Six-Fours-les-Plages | 653.87 mi (1,052.30 km) |
| Harrow Weald to Soissons | 222.42 mi (357.95 km) |
| Harrow Weald to Soisy-sous-Montmorency | 215.00 mi (346.01 km) |
| Harrow Weald to Sollies-Pont | 652.86 mi (1,050.68 km) |
| Harrow Weald to Somain | 179.43 mi (288.76 km) |
| Harrow Weald to Sorgues | 577.49 mi (929.38 km) |
| Harrow Weald to Sotteville-les-Rouen | 164.12 mi (264.13 km) |
| Harrow Weald to Soyaux | 412.78 mi (664.30 km) |
| Harrow Weald to Stains | 219.23 mi (352.81 km) |
| Harrow Weald to Stiring-Wendel | 360.40 mi (580.00 km) |
| Harrow Weald to Strasbourg | 414.37 mi (666.86 km) |
| Harrow Weald to Sucy-en-Brie | 233.15 mi (375.22 km) |
| Harrow Weald to Suresnes | 220.13 mi (354.27 km) |
