| Romeoville to Snodland | 4,004.59 mi (6,444.77 km) |
| Romeoville to Soham | 3,967.94 mi (6,385.78 km) |
| Romeoville to Solihull | 3,885.92 mi (6,253.79 km) |
| Romeoville to Sompting | 3,990.68 mi (6,422.37 km) |
| Romeoville to South Hayling | 3,967.43 mi (6,384.97 km) |
| Romeoville to South Normanton | 3,881.13 mi (6,246.07 km) |
| Romeoville to South Ockendon | 3,992.58 mi (6,425.44 km) |
| Romeoville to South Shields | 3,821.86 mi (6,150.70 km) |
| Romeoville to Southall | 3,967.24 mi (6,384.66 km) |
| Romeoville to Southampton | 3,947.24 mi (6,352.46 km) |
| Romeoville to Southborough | 4,003.16 mi (6,442.47 km) |
| Romeoville to Southbourne | 3,937.67 mi (6,337.06 km) |
| Romeoville to Southend | 4,007.34 mi (6,449.19 km) |
| Romeoville to Southgate | 3,972.98 mi (6,393.89 km) |
| Romeoville to Southport | 3,803.22 mi (6,120.69 km) |
