| Webster Groves to Pontedera | 4,917.07 mi (7,913.26 km) |
| Webster Groves to Pontinia | 5,108.64 mi (8,221.55 km) |
| Webster Groves to Porcari | 4,909.17 mi (7,900.54 km) |
| Webster Groves to Porcia | 4,901.95 mi (7,888.93 km) |
| Webster Groves to Pordenone | 4,903.92 mi (7,892.10 km) |
| Webster Groves to Portici | 5,186.85 mi (8,347.43 km) |
| Webster Groves to Porto Empedocle | 5,304.89 mi (8,537.39 km) |
| Webster Groves to Porto Recanati | 5,048.32 mi (8,124.49 km) |
| Webster Groves to Porto Sant'Elpidio | 5,058.70 mi (8,141.18 km) |
| Webster Groves to Porto Tolle | 4,931.89 mi (7,937.11 km) |
| Webster Groves to Porto Torres | 4,938.03 mi (7,946.99 km) |
| Webster Groves to Portoferraio | 4,938.41 mi (7,947.61 km) |
| Webster Groves to Portogruaro | 4,917.86 mi (7,914.53 km) |
| Webster Groves to Portomaggiore | 4,921.71 mi (7,920.73 km) |
| Webster Groves to Potenza | 5,254.38 mi (8,456.10 km) |
