| Portland to Seysses | 5,391.30 mi (8,676.45 km) |
| Portland to Sin-le-Noble | 5,059.90 mi (8,143.12 km) |
| Portland to Six-Fours-les-Plages | 5,544.14 mi (8,922.43 km) |
| Portland to Soissons | 5,120.12 mi (8,240.04 km) |
| Portland to Soisy-sous-Montmorency | 5,114.59 mi (8,231.14 km) |
| Portland to Sollies-Pont | 5,545.21 mi (8,924.16 km) |
| Portland to Somain | 5,064.58 mi (8,150.66 km) |
| Portland to Sorgues | 5,465.62 mi (8,796.07 km) |
| Portland to Sotteville-les-Rouen | 5,058.44 mi (8,140.77 km) |
| Portland to Soyaux | 5,239.99 mi (8,432.95 km) |
| Portland to Stains | 5,118.95 mi (8,238.16 km) |
| Portland to Stiring-Wendel | 5,223.58 mi (8,406.55 km) |
| Portland to Strasbourg | 5,279.60 mi (8,496.69 km) |
| Portland to Sucy-en-Brie | 5,132.73 mi (8,260.34 km) |
| Portland to Suresnes | 5,118.96 mi (8,238.17 km) |
