| Romeoville to Palencia | 4,114.00 mi (6,620.84 km) |
| Romeoville to Palleja | 4,420.99 mi (7,114.90 km) |
| Romeoville to Palma | 4,521.53 mi (7,276.70 km) |
| Romeoville to Palma del Rio | 4,235.46 mi (6,816.31 km) |
| Romeoville to Palomares del Rio | 4,214.03 mi (6,781.83 km) |
| Romeoville to Palos de la Frontera | 4,177.92 mi (6,723.71 km) |
| Romeoville to Pamplona | 4,211.68 mi (6,778.05 km) |
| Romeoville to Paracuellos de Jarama | 4,211.52 mi (6,777.79 km) |
| Romeoville to Parla | 4,211.34 mi (6,777.50 km) |
| Romeoville to Paterna | 4,387.62 mi (7,061.19 km) |
| Romeoville to Peligros | 4,329.02 mi (6,966.89 km) |
| Romeoville to Penarroya-Pueblonuevo | 4,214.17 mi (6,782.05 km) |
| Romeoville to Petrel | 4,410.81 mi (7,098.52 km) |
| Romeoville to Picana | 4,390.41 mi (7,065.68 km) |
| Romeoville to Picasent | 4,392.15 mi (7,068.49 km) |
