| Rockford to Platteville (Wisconsin) | 78.51 mi (126.35 km) |
| Rockford to Plattsburgh (New York) | 799.08 mi (1,285.99 km) |
| Rockford to Pleasant Grove (Utah) | 1,180.51 mi (1,899.84 km) |
| Rockford to Pleasant Hill (California) | 1,758.40 mi (2,829.87 km) |
| Rockford to Pleasant Hill (Iowa) | 232.47 mi (374.13 km) |
| Rockford to Pleasant Prairie (Wisconsin) | 62.71 mi (100.92 km) |
| Rockford to Pleasant View (Utah) | 1,179.77 mi (1,898.65 km) |
| Rockford to Pleasanton (California) | 1,755.37 mi (2,824.99 km) |
| Rockford to Pleasanton (Texas) | 1,058.83 mi (1,704.03 km) |
| Rockford to Pleasantville (New Jersey) | 784.90 mi (1,263.17 km) |
| Rockford to Plover (Wisconsin) | 153.99 mi (247.82 km) |
| Rockford to Plum (Pennsylvania) | 497.63 mi (800.86 km) |
| Rockford to Plymouth (Indiana) | 154.77 mi (249.08 km) |
| Rockford to Plymouth (Minnesota) | 291.11 mi (468.50 km) |
| Rockford to Pocatello (Idaho) | 1,187.71 mi (1,911.44 km) |
