| Gourock to Poggibonsi | 1,113.99 mi (1,792.79 km) |
| Gourock to Poggio a Caiano | 1,091.61 mi (1,756.77 km) |
| Gourock to Poggio Renatico | 1,050.25 mi (1,690.21 km) |
| Gourock to Poggiomarino | 1,363.78 mi (2,194.80 km) |
| Gourock to Poirino | 941.15 mi (1,514.64 km) |
| Gourock to Policoro | 1,460.37 mi (2,350.23 km) |
| Gourock to Polistena | 1,547.03 mi (2,489.71 km) |
| Gourock to Pomezia | 1,255.61 mi (2,020.71 km) |
| Gourock to Pomigliano d'Arco | 1,352.74 mi (2,177.02 km) |
| Gourock to Pompei | 1,365.24 mi (2,197.14 km) |
| Gourock to Ponsacco | 1,091.07 mi (1,755.91 km) |
| Gourock to Pontassieve | 1,104.45 mi (1,777.44 km) |
| Gourock to Ponte Buggianese | 1,081.32 mi (1,740.21 km) |
| Gourock to Ponte San Pietro | 943.58 mi (1,518.55 km) |
| Gourock to Pontecorvo | 1,300.29 mi (2,092.62 km) |
