| River Grove to Pontedera | 4,666.68 mi (7,510.30 km) |
| River Grove to Pontinia | 4,859.44 mi (7,820.52 km) |
| River Grove to Porcari | 4,658.55 mi (7,497.21 km) |
| River Grove to Porcia | 4,647.37 mi (7,479.22 km) |
| River Grove to Pordenone | 4,649.34 mi (7,482.39 km) |
| River Grove to Portici | 4,937.40 mi (7,945.97 km) |
| River Grove to Porto Empedocle | 5,061.08 mi (8,145.01 km) |
| River Grove to Porto Recanati | 4,796.07 mi (7,718.53 km) |
| River Grove to Porto Sant'Elpidio | 4,806.59 mi (7,735.46 km) |
| River Grove to Porto Tolle | 4,678.70 mi (7,529.64 km) |
| River Grove to Porto Torres | 4,693.55 mi (7,553.54 km) |
| River Grove to Portoferraio | 4,689.42 mi (7,546.89 km) |
| River Grove to Portogruaro | 4,663.35 mi (7,504.94 km) |
| River Grove to Portomaggiore | 4,669.17 mi (7,514.30 km) |
| River Grove to Potenza | 5,003.99 mi (8,053.15 km) |
