| Douglas to Pontinia | 1,241.89 mi (1,998.62 km) |
| Douglas to Porcari | 1,038.45 mi (1,671.22 km) |
| Douglas to Porcia | 1,034.61 mi (1,665.04 km) |
| Douglas to Pordenone | 1,036.57 mi (1,668.20 km) |
| Douglas to Portici | 1,319.00 mi (2,122.72 km) |
| Douglas to Porto Empedocle | 1,466.74 mi (2,360.48 km) |
| Douglas to Porto Recanati | 1,175.74 mi (1,892.18 km) |
| Douglas to Porto Sant'Elpidio | 1,186.12 mi (1,908.88 km) |
| Douglas to Porto Tolle | 1,060.17 mi (1,706.18 km) |
| Douglas to Porto Torres | 1,102.46 mi (1,774.24 km) |
| Douglas to Portoferraio | 1,073.09 mi (1,726.97 km) |
| Douglas to Portogruaro | 1,050.07 mi (1,689.93 km) |
| Douglas to Portomaggiore | 1,049.24 mi (1,688.59 km) |
| Douglas to Potenza | 1,383.91 mi (2,227.18 km) |
| Douglas to Potenza Picena | 1,176.59 mi (1,893.54 km) |
