| Longmont to Seysses | 5,064.48 mi (8,150.50 km) |
| Longmont to Sin-le-Noble | 4,826.57 mi (7,767.61 km) |
| Longmont to Six-Fours-les-Plages | 5,252.73 mi (8,453.46 km) |
| Longmont to Soissons | 4,876.99 mi (7,848.75 km) |
| Longmont to Soisy-sous-Montmorency | 4,858.62 mi (7,819.20 km) |
| Longmont to Sollies-Pont | 5,256.75 mi (8,459.92 km) |
| Longmont to Somain | 4,832.51 mi (7,777.17 km) |
| Longmont to Sorgues | 5,175.45 mi (8,329.08 km) |
| Longmont to Sotteville-les-Rouen | 4,797.82 mi (7,721.34 km) |
| Longmont to Soyaux | 4,928.00 mi (7,930.86 km) |
| Longmont to Stains | 4,863.21 mi (7,826.58 km) |
| Longmont to Stiring-Wendel | 5,008.02 mi (8,059.63 km) |
| Longmont to Strasbourg | 5,064.14 mi (8,149.94 km) |
| Longmont to Sucy-en-Brie | 4,876.01 mi (7,847.19 km) |
| Longmont to Suresnes | 4,860.97 mi (7,822.97 km) |
