| Rock Island to Platteville (Wisconsin) | 87.12 mi (140.21 km) |
| Rock Island to Plattsburgh (New York) | 890.67 mi (1,433.39 km) |
| Rock Island to Pleasant Grove (Utah) | 1,104.49 mi (1,777.50 km) |
| Rock Island to Pleasant Hill (California) | 1,681.98 mi (2,706.89 km) |
| Rock Island to Pleasant Hill (Iowa) | 150.86 mi (242.79 km) |
| Rock Island to Pleasant Prairie (Wisconsin) | 156.37 mi (251.65 km) |
| Rock Island to Pleasant View (Utah) | 1,107.31 mi (1,782.04 km) |
| Rock Island to Pleasanton (California) | 1,678.20 mi (2,700.80 km) |
| Rock Island to Pleasanton (Texas) | 971.61 mi (1,563.65 km) |
| Rock Island to Pleasantville (New Jersey) | 855.80 mi (1,377.27 km) |
| Rock Island to Plover (Wisconsin) | 213.33 mi (343.33 km) |
| Rock Island to Plum (Pennsylvania) | 568.58 mi (915.04 km) |
| Rock Island to Plymouth (Indiana) | 221.10 mi (355.83 km) |
| Rock Island to Plymouth (Minnesota) | 284.99 mi (458.65 km) |
| Rock Island to Pocatello (Idaho) | 1,121.54 mi (1,804.94 km) |
