| Boulder to Seysses | 5,077.14 mi (8,170.87 km) |
| Boulder to Sin-le-Noble | 4,839.34 mi (7,788.17 km) |
| Boulder to Six-Fours-les-Plages | 5,265.45 mi (8,473.92 km) |
| Boulder to Soissons | 4,889.75 mi (7,869.30 km) |
| Boulder to Soisy-sous-Montmorency | 4,871.38 mi (7,839.73 km) |
| Boulder to Sollies-Pont | 5,269.47 mi (8,480.39 km) |
| Boulder to Somain | 4,845.28 mi (7,797.73 km) |
| Boulder to Sorgues | 5,188.17 mi (8,349.55 km) |
| Boulder to Sotteville-les-Rouen | 4,810.58 mi (7,741.87 km) |
| Boulder to Soyaux | 4,940.70 mi (7,951.29 km) |
| Boulder to Stains | 4,875.97 mi (7,847.12 km) |
| Boulder to Stiring-Wendel | 5,020.79 mi (8,080.18 km) |
| Boulder to Strasbourg | 5,076.91 mi (8,170.50 km) |
| Boulder to Sucy-en-Brie | 4,888.77 mi (7,867.72 km) |
| Boulder to Suresnes | 4,873.73 mi (7,843.50 km) |
