| Romeoville to Platteville (Wisconsin) | 142.97 mi (230.08 km) |
| Romeoville to Plattsburgh (New York) | 766.52 mi (1,233.60 km) |
| Romeoville to Pleasant Grove (Utah) | 1,231.96 mi (1,982.66 km) |
| Romeoville to Pleasant Hill (California) | 1,809.69 mi (2,912.42 km) |
| Romeoville to Pleasant Hill (Iowa) | 278.71 mi (448.54 km) |
| Romeoville to Pleasant Prairie (Wisconsin) | 62.76 mi (101.00 km) |
| Romeoville to Pleasant View (Utah) | 1,233.47 mi (1,985.07 km) |
| Romeoville to Pleasanton (California) | 1,806.12 mi (2,906.67 km) |
| Romeoville to Pleasanton (Texas) | 1,051.62 mi (1,692.42 km) |
| Romeoville to Pleasantville (New Jersey) | 729.30 mi (1,173.69 km) |
| Romeoville to Plover (Wisconsin) | 208.56 mi (335.64 km) |
| Romeoville to Plum (Pennsylvania) | 441.74 mi (710.91 km) |
| Romeoville to Plymouth (Indiana) | 94.23 mi (151.65 km) |
| Romeoville to Plymouth (Minnesota) | 356.95 mi (574.46 km) |
| Romeoville to Pocatello (Idaho) | 1,244.67 mi (2,003.11 km) |
