| Duncan to Seysses | 5,035.43 mi (8,103.74 km) |
| Duncan to Sin-le-Noble | 4,861.58 mi (7,823.96 km) |
| Duncan to Six-Fours-les-Plages | 5,240.36 mi (8,433.55 km) |
| Duncan to Soissons | 4,904.61 mi (7,893.21 km) |
| Duncan to Soisy-sous-Montmorency | 4,879.01 mi (7,852.01 km) |
| Duncan to Sollies-Pont | 5,246.07 mi (8,442.74 km) |
| Duncan to Somain | 4,868.10 mi (7,834.46 km) |
| Duncan to Sorgues | 5,165.97 mi (8,313.82 km) |
| Duncan to Sotteville-les-Rouen | 4,817.17 mi (7,752.48 km) |
| Duncan to Soyaux | 4,912.02 mi (7,905.13 km) |
| Duncan to Stains | 4,883.61 mi (7,859.40 km) |
| Duncan to Stiring-Wendel | 5,048.41 mi (8,124.63 km) |
| Duncan to Strasbourg | 5,102.99 mi (8,212.48 km) |
| Duncan to Sucy-en-Brie | 4,895.44 mi (7,878.45 km) |
| Duncan to Suresnes | 4,880.06 mi (7,853.70 km) |
