| Romeoville to Sudbury | 3,992.03 mi (6,424.56 km) |
| Romeoville to Sunbury | 3,968.33 mi (6,386.42 km) |
| Romeoville to Sunderland | 3,826.22 mi (6,157.70 km) |
| Romeoville to Sunninghill | 3,960.16 mi (6,373.27 km) |
| Romeoville to Surbiton | 3,973.73 mi (6,395.10 km) |
| Romeoville to Sutton | 3,978.87 mi (6,403.37 km) |
| Romeoville to Sutton Coldfield | 3,879.69 mi (6,243.76 km) |
| Romeoville to Sutton in Ashfield | 3,883.63 mi (6,250.11 km) |
| Romeoville to Sutton on Hull | 3,898.93 mi (6,274.72 km) |
| Romeoville to Swadlincote | 3,883.25 mi (6,249.48 km) |
| Romeoville to Swallownest | 3,874.06 mi (6,234.70 km) |
| Romeoville to Swanage | 3,934.95 mi (6,332.70 km) |
| Romeoville to Swindon | 3,912.11 mi (6,295.94 km) |
| Romeoville to Swinton | 3,870.66 mi (6,229.22 km) |
| Romeoville to Swinton | 3,831.86 mi (6,166.79 km) |
