| Romeoville to Piazza Armerina | 5,114.92 mi (8,231.67 km) |
| Romeoville to Piazzola sul Brenta | 4,656.45 mi (7,493.83 km) |
| Romeoville to Pietrasanta | 4,661.67 mi (7,502.23 km) |
| Romeoville to Pieve di Soligo | 4,657.23 mi (7,495.09 km) |
| Romeoville to Pinerolo | 4,508.12 mi (7,255.12 km) |
| Romeoville to Pioltello | 4,563.05 mi (7,343.52 km) |
| Romeoville to Piombino | 4,715.89 mi (7,589.50 km) |
| Romeoville to Piombino Dese | 4,662.30 mi (7,503.25 km) |
| Romeoville to Piossasco | 4,509.31 mi (7,257.03 km) |
| Romeoville to Piove di Sacco | 4,676.73 mi (7,526.46 km) |
| Romeoville to Pisa | 4,678.39 mi (7,529.14 km) |
| Romeoville to Pisticci | 5,068.36 mi (8,156.74 km) |
| Romeoville to Pistoia | 4,689.92 mi (7,547.70 km) |
| Romeoville to Pizzo | 5,127.89 mi (8,252.55 km) |
| Romeoville to Podenzano | 4,599.16 mi (7,401.64 km) |
