| Romeoville to Sacile | 4,666.49 mi (7,509.99 km) |
| Romeoville to Sala Consilina | 5,029.74 mi (8,094.59 km) |
| Romeoville to Salemi | 5,030.09 mi (8,095.15 km) |
| Romeoville to Salerno | 4,983.55 mi (8,020.25 km) |
| Romeoville to Salo | 4,605.89 mi (7,412.46 km) |
| Romeoville to Salsomaggiore Terme | 4,616.39 mi (7,429.36 km) |
| Romeoville to Saluzzo | 4,524.10 mi (7,280.84 km) |
| Romeoville to Salzano | 4,669.95 mi (7,515.55 km) |
| Romeoville to Samarate | 4,536.73 mi (7,301.16 km) |
| Romeoville to San Benedetto del Tronto | 4,848.95 mi (7,803.64 km) |
| Romeoville to San Biagio di Callalta | 4,673.70 mi (7,521.59 km) |
| Romeoville to San Bonifacio | 4,643.28 mi (7,472.64 km) |
| Romeoville to San Casciano in Val di Pesa | 4,712.17 mi (7,583.50 km) |
| Romeoville to San Cataldo | 5,094.44 mi (8,198.71 km) |
| Romeoville to San Cesareo | 4,855.06 mi (7,813.47 km) |
