| Willoughby to Seysses | 4,025.24 mi (6,478.00 km) |
| Willoughby to Sin-le-Noble | 3,878.43 mi (6,241.73 km) |
| Willoughby to Six-Fours-les-Plages | 4,234.43 mi (6,814.65 km) |
| Willoughby to Soissons | 3,917.31 mi (6,304.30 km) |
| Willoughby to Soisy-sous-Montmorency | 3,888.39 mi (6,257.76 km) |
| Willoughby to Sollies-Pont | 4,240.67 mi (6,824.71 km) |
| Willoughby to Somain | 3,885.20 mi (6,252.63 km) |
| Willoughby to Sorgues | 4,161.35 mi (6,697.05 km) |
| Willoughby to Sotteville-les-Rouen | 3,826.53 mi (6,158.21 km) |
| Willoughby to Soyaux | 3,906.42 mi (6,286.78 km) |
| Willoughby to Stains | 3,892.96 mi (6,265.11 km) |
| Willoughby to Stiring-Wendel | 4,066.48 mi (6,544.37 km) |
| Willoughby to Strasbourg | 4,119.78 mi (6,630.15 km) |
| Willoughby to Sucy-en-Brie | 3,904.25 mi (6,283.28 km) |
| Willoughby to Suresnes | 3,888.83 mi (6,258.46 km) |
