| Romeoville to Pachino | 5,175.64 mi (8,329.38 km) |
| Romeoville to Paderno Dugnano | 4,553.70 mi (7,328.48 km) |
| Romeoville to Padova | 4,666.04 mi (7,509.26 km) |
| Romeoville to Paese | 4,665.64 mi (7,508.63 km) |
| Romeoville to Palagiano | 5,079.08 mi (8,173.99 km) |
| Romeoville to Palagonia | 5,133.13 mi (8,260.98 km) |
| Romeoville to Palazzolo Acreide | 5,151.77 mi (8,290.97 km) |
| Romeoville to Palermo | 5,040.30 mi (8,111.58 km) |
| Romeoville to Palestrina | 4,858.36 mi (7,818.77 km) |
| Romeoville to Pallazzolo sull'Oglio | 4,580.54 mi (7,371.67 km) |
| Romeoville to Palma Campania | 4,966.88 mi (7,993.42 km) |
| Romeoville to Palma di Montechiaro | 5,098.32 mi (8,204.95 km) |
| Romeoville to Palmi | 5,131.67 mi (8,258.62 km) |
| Romeoville to Palo del Colle | 5,044.10 mi (8,117.70 km) |
| Romeoville to Palombara Sabina | 4,842.92 mi (7,793.93 km) |
