| Rockford to Rosemont (California) | 1,707.79 mi (2,748.43 km) |
| Rockford to Rosemount (Minnesota) | 264.05 mi (424.95 km) |
| Rockford to Rosenberg (Texas) | 955.60 mi (1,537.89 km) |
| Rockford to Roseville (California) | 1,701.03 mi (2,737.54 km) |
| Rockford to Roseville (Michigan) | 313.10 mi (503.89 km) |
| Rockford to Roseville (Minnesota) | 279.39 mi (449.63 km) |
| Rockford to Rossmoor (California) | 1,674.33 mi (2,694.57 km) |
| Rockford to Rossville (Maryland) | 687.38 mi (1,106.23 km) |
| Rockford to Roswell (Georgia) | 622.77 mi (1,002.24 km) |
| Rockford to Roswell (New Mexico) | 1,041.12 mi (1,675.51 km) |
| Rockford to Round Lake (Illinois) | 49.30 mi (79.35 km) |
| Rockford to Round Lake Beach (Illinois) | 50.89 mi (81.90 km) |
| Rockford to Round Rock (Texas) | 940.04 mi (1,512.85 km) |
| Rockford to Rowland Heights (California) | 1,658.73 mi (2,669.47 km) |
| Rockford to Rowlett (Texas) | 763.96 mi (1,229.47 km) |
