| Rockford to Pittsburg (California) | 1,747.70 mi (2,812.65 km) |
| Rockford to Pittsburg (Kansas) | 448.68 mi (722.08 km) |
| Rockford to Pittsburgh (Pennsylvania) | 487.57 mi (784.67 km) |
| Rockford to Pittsfield (Massachusetts) | 805.84 mi (1,296.88 km) |
| Rockford to Placentia (California) | 1,659.95 mi (2,671.43 km) |
| Rockford to Placerville (California) | 1,675.24 mi (2,696.04 km) |
| Rockford to Plainfield (Illinois) | 61.70 mi (99.29 km) |
| Rockford to Plainfield (Indiana) | 226.06 mi (363.80 km) |
| Rockford to Plainfield (New Jersey) | 766.22 mi (1,233.12 km) |
| Rockford to Plainview (New York) | 811.79 mi (1,306.44 km) |
| Rockford to Plainview (Texas) | 883.16 mi (1,421.31 km) |
| Rockford to Plano (Illinois) | 48.81 mi (78.55 km) |
| Rockford to Plano (Texas) | 761.86 mi (1,226.09 km) |
| Rockford to Plant City (Florida) | 1,058.63 mi (1,703.70 km) |
| Rockford to Plantation (Florida) | 1,221.28 mi (1,965.46 km) |
