| Castleton to Pontedera | 898.68 mi (1,446.29 km) |
| Castleton to Pontinia | 1,096.72 mi (1,764.99 km) |
| Castleton to Porcari | 888.19 mi (1,429.41 km) |
| Castleton to Porcia | 841.54 mi (1,354.33 km) |
| Castleton to Pordenone | 843.50 mi (1,357.47 km) |
| Castleton to Portici | 1,168.80 mi (1,881.00 km) |
| Castleton to Porto Empedocle | 1,352.49 mi (2,176.62 km) |
| Castleton to Porto Recanati | 1,004.82 mi (1,617.10 km) |
| Castleton to Porto Sant'Elpidio | 1,016.33 mi (1,635.63 km) |
| Castleton to Porto Tolle | 881.93 mi (1,419.32 km) |
| Castleton to Porto Torres | 1,008.90 mi (1,623.67 km) |
| Castleton to Portoferraio | 937.87 mi (1,509.36 km) |
| Castleton to Portogruaro | 857.85 mi (1,380.57 km) |
| Castleton to Portomaggiore | 878.11 mi (1,413.19 km) |
| Castleton to Potenza | 1,224.34 mi (1,970.39 km) |
