| Round Rock to Poggibonsi | 5,631.09 mi (9,062.37 km) |
| Round Rock to Poggio a Caiano | 5,613.99 mi (9,034.84 km) |
| Round Rock to Poggio Renatico | 5,593.92 mi (9,002.54 km) |
| Round Rock to Poggiomarino | 5,880.01 mi (9,462.96 km) |
| Round Rock to Poirino | 5,439.19 mi (8,753.54 km) |
| Round Rock to Policoro | 5,993.47 mi (9,645.56 km) |
| Round Rock to Polistena | 6,044.81 mi (9,728.19 km) |
| Round Rock to Pomezia | 5,758.67 mi (9,267.68 km) |
| Round Rock to Pomigliano d'Arco | 5,868.91 mi (9,445.09 km) |
| Round Rock to Pompei | 5,879.99 mi (9,462.93 km) |
| Round Rock to Ponsacco | 5,603.87 mi (9,018.56 km) |
| Round Rock to Pontassieve | 5,630.86 mi (9,061.99 km) |
| Round Rock to Ponte Buggianese | 5,599.90 mi (9,012.17 km) |
| Round Rock to Ponte San Pietro | 5,481.44 mi (8,821.52 km) |
| Round Rock to Pontecorvo | 5,815.86 mi (9,359.72 km) |
