| Round Rock to Piazza Armerina | 6,013.83 mi (9,678.32 km) |
| Round Rock to Piazzola sul Brenta | 5,575.18 mi (8,972.38 km) |
| Round Rock to Pietrasanta | 5,574.02 mi (8,970.52 km) |
| Round Rock to Pieve di Soligo | 5,577.28 mi (8,975.76 km) |
| Round Rock to Pinerolo | 5,419.05 mi (8,721.12 km) |
| Round Rock to Pioltello | 5,478.58 mi (8,816.92 km) |
| Round Rock to Piombino | 5,625.68 mi (9,053.66 km) |
| Round Rock to Piombino Dese | 5,581.49 mi (8,982.54 km) |
| Round Rock to Piossasco | 5,420.75 mi (8,723.86 km) |
| Round Rock to Piove di Sacco | 5,595.22 mi (9,004.63 km) |
| Round Rock to Pisa | 5,590.34 mi (8,996.79 km) |
| Round Rock to Pisticci | 5,980.81 mi (9,625.19 km) |
| Round Rock to Pistoia | 5,603.27 mi (9,017.60 km) |
| Round Rock to Pizzo | 6,034.93 mi (9,712.28 km) |
| Round Rock to Podenzano | 5,513.63 mi (8,873.34 km) |
