| Rockford to Reichenbach/Vogtland | 4,470.81 mi (7,195.07 km) |
| Rockford to Reinbek | 4,283.98 mi (6,894.41 km) |
| Rockford to Reinfeld | 4,279.34 mi (6,886.94 km) |
| Rockford to Reinheim | 4,378.25 mi (7,046.11 km) |
| Rockford to Reiskirchen | 4,347.90 mi (6,997.26 km) |
| Rockford to Rellingen | 4,263.86 mi (6,862.01 km) |
| Rockford to Remagen | 4,290.52 mi (6,904.93 km) |
| Rockford to Remscheid | 4,266.35 mi (6,866.02 km) |
| Rockford to Rendsburg | 4,233.89 mi (6,813.78 km) |
| Rockford to Renningen | 4,424.27 mi (7,120.18 km) |
| Rockford to Reutlingen | 4,446.11 mi (7,155.32 km) |
| Rockford to Rhaude | 4,204.11 mi (6,765.85 km) |
| Rockford to Rheda-Wiedenbruck | 4,280.63 mi (6,889.01 km) |
| Rockford to Rhede | 4,223.84 mi (6,797.62 km) |
| Rockford to Rheinau | 4,390.90 mi (7,066.47 km) |
