| Rockford to Pullman (Washington) | 1,411.07 mi (2,270.90 km) |
| Rockford to Punta Gorda (Florida) | 1,133.08 mi (1,823.52 km) |
| Rockford to Puyallup (Washington) | 1,653.09 mi (2,660.40 km) |
| Rockford to Queen Creek (Arizona) | 1,374.67 mi (2,212.32 km) |
| Rockford to Queens (New York) | 795.71 mi (1,280.57 km) |
| Rockford to Quincy (Illinois) | 200.90 mi (323.32 km) |
| Rockford to Quincy (Massachusetts) | 921.10 mi (1,482.37 km) |
| Rockford to Raceland (Louisiana) | 870.24 mi (1,400.51 km) |
| Rockford to Racine (Wisconsin) | 71.44 mi (114.97 km) |
| Rockford to Radcliff (Kentucky) | 348.43 mi (560.74 km) |
| Rockford to Radford (Virginia) | 574.35 mi (924.32 km) |
| Rockford to Rahway (New Jersey) | 773.23 mi (1,244.40 km) |
| Rockford to Raleigh (North Carolina) | 713.16 mi (1,147.72 km) |
| Rockford to Ramona (California) | 1,639.74 mi (2,638.91 km) |
| Rockford to Ramsey (Minnesota) | 301.44 mi (485.11 km) |
