| Rockford to Prokuplje | 5,134.12 mi (8,262.56 km) |
| Rockford to Raca | 5,064.64 mi (8,150.75 km) |
| Rockford to Raska | 5,096.13 mi (8,201.42 km) |
| Rockford to Razanj | 5,112.06 mi (8,227.07 km) |
| Rockford to Rekovac | 5,087.49 mi (8,187.52 km) |
| Rockford to Ruma | 4,987.15 mi (8,026.04 km) |
| Rockford to Sabac | 4,993.56 mi (8,036.35 km) |
| Rockford to Secanj | 5,003.43 mi (8,052.25 km) |
| Rockford to Senta | 4,952.73 mi (7,970.66 km) |
| Rockford to Sid | 4,960.10 mi (7,982.51 km) |
| Rockford to Sjenica | 5,074.72 mi (8,166.97 km) |
| Rockford to Smederevo | 5,042.28 mi (8,114.76 km) |
| Rockford to Smederevska Palanka | 5,057.48 mi (8,139.22 km) |
| Rockford to Sokobanja | 5,124.26 mi (8,246.69 km) |
| Rockford to Sombor | 4,924.99 mi (7,926.01 km) |
