| Romeoville to Prokuplje | 5,129.43 mi (8,255.03 km) |
| Romeoville to Raca | 5,060.47 mi (8,144.04 km) |
| Romeoville to Raska | 5,090.91 mi (8,193.02 km) |
| Romeoville to Razanj | 5,107.73 mi (8,220.10 km) |
| Romeoville to Rekovac | 5,083.09 mi (8,180.43 km) |
| Romeoville to Ruma | 4,982.99 mi (8,019.35 km) |
| Romeoville to Sabac | 4,989.10 mi (8,029.18 km) |
| Romeoville to Secanj | 5,000.14 mi (8,046.95 km) |
| Romeoville to Senta | 4,949.56 mi (7,965.54 km) |
| Romeoville to Sid | 4,955.71 mi (7,975.44 km) |
| Romeoville to Sjenica | 5,069.12 mi (8,157.97 km) |
| Romeoville to Smederevo | 5,038.45 mi (8,108.61 km) |
| Romeoville to Smederevska Palanka | 5,053.41 mi (8,132.67 km) |
| Romeoville to Sokobanja | 5,120.10 mi (8,240.00 km) |
| Romeoville to Sombor | 4,921.13 mi (7,919.80 km) |
