| Rock Island to Prichard (Alabama) | 751.52 mi (1,209.46 km) |
| Rock Island to Princeton (Florida) | 1,245.16 mi (2,003.88 km) |
| Rock Island to Princeton (New Jersey) | 833.27 mi (1,341.02 km) |
| Rock Island to Princeton (Texas) | 658.46 mi (1,059.69 km) |
| Rock Island to Princeton Meadows (New Jersey) | 838.94 mi (1,350.14 km) |
| Rock Island to Prineville (Oregon) | 1,536.43 mi (2,472.64 km) |
| Rock Island to Prior Lake (Minnesota) | 267.13 mi (429.90 km) |
| Rock Island to Progress (Pennsylvania) | 721.79 mi (1,161.61 km) |
| Rock Island to Prospect Heights (Illinois) | 143.67 mi (231.21 km) |
| Rock Island to Prosper (Texas) | 663.11 mi (1,067.18 km) |
| Rock Island to Providence (Rhode Island) | 987.70 mi (1,589.55 km) |
| Rock Island to Provo (Utah) | 1,101.22 mi (1,772.24 km) |
| Rock Island to Prunedale (California) | 1,686.63 mi (2,714.37 km) |
| Rock Island to Pueblo (Colorado) | 775.07 mi (1,247.35 km) |
| Rock Island to Pueblo West (Colorado) | 778.93 mi (1,253.57 km) |
