| Romeoville to Seysses | 4,313.42 mi (6,941.78 km) |
| Romeoville to Sin-le-Noble | 4,138.65 mi (6,660.52 km) |
| Romeoville to Six-Fours-les-Plages | 4,517.19 mi (7,269.71 km) |
| Romeoville to Soissons | 4,181.20 mi (6,729.00 km) |
| Romeoville to Soisy-sous-Montmorency | 4,155.32 mi (6,687.33 km) |
| Romeoville to Sollies-Pont | 4,522.80 mi (7,278.74 km) |
| Romeoville to Somain | 4,145.21 mi (6,671.07 km) |
| Romeoville to Sorgues | 4,442.59 mi (7,149.65 km) |
| Romeoville to Sotteville-les-Rouen | 4,093.46 mi (6,587.79 km) |
| Romeoville to Soyaux | 4,188.86 mi (6,741.32 km) |
| Romeoville to Stains | 4,159.91 mi (6,694.72 km) |
| Romeoville to Stiring-Wendel | 4,325.72 mi (6,961.58 km) |
| Romeoville to Strasbourg | 4,380.14 mi (7,049.15 km) |
| Romeoville to Sucy-en-Brie | 4,171.71 mi (6,713.72 km) |
| Romeoville to Suresnes | 4,156.33 mi (6,688.96 km) |
