| Romeoville to Pawtucket (Rhode Island) | 860.91 mi (1,385.50 km) |
| Romeoville to Payson (Arizona) | 1,359.04 mi (2,187.16 km) |
| Romeoville to Payson (Utah) | 1,236.80 mi (1,990.44 km) |
| Romeoville to Peabody (Massachusetts) | 878.98 mi (1,414.58 km) |
| Romeoville to Peachtree City (Georgia) | 600.97 mi (967.17 km) |
| Romeoville to Peachtree Corners (Georgia) | 569.96 mi (917.26 km) |
| Romeoville to Pearl (Mississippi) | 655.86 mi (1,055.51 km) |
| Romeoville to Pearl City (Hawaii) | 4,227.06 mi (6,802.79 km) |
| Romeoville to Pearl River (New York) | 731.36 mi (1,177.00 km) |
| Romeoville to Pearland (Texas) | 926.78 mi (1,491.51 km) |
| Romeoville to Pebble Creek (Florida) | 985.84 mi (1,586.56 km) |
| Romeoville to Pecan Grove (Texas) | 932.93 mi (1,501.41 km) |
| Romeoville to Pecos (Texas) | 1,107.51 mi (1,782.37 km) |
| Romeoville to Peekskill (New York) | 733.64 mi (1,180.68 km) |
| Romeoville to Pekin (Illinois) | 108.22 mi (174.16 km) |
