| Dumbarton to Pontedera | 1,081.38 mi (1,740.31 km) |
| Dumbarton to Pontinia | 1,278.73 mi (2,057.91 km) |
| Dumbarton to Porcari | 1,070.57 mi (1,722.92 km) |
| Dumbarton to Porcia | 1,012.25 mi (1,629.06 km) |
| Dumbarton to Pordenone | 1,014.17 mi (1,632.15 km) |
| Dumbarton to Portici | 1,349.34 mi (2,171.55 km) |
| Dumbarton to Porto Empedocle | 1,538.47 mi (2,475.92 km) |
| Dumbarton to Porto Recanati | 1,181.17 mi (1,900.90 km) |
| Dumbarton to Porto Sant'Elpidio | 1,192.91 mi (1,919.80 km) |
| Dumbarton to Porto Tolle | 1,057.28 mi (1,701.53 km) |
| Dumbarton to Porto Torres | 1,197.34 mi (1,926.93 km) |
| Dumbarton to Portoferraio | 1,122.56 mi (1,806.58 km) |
| Dumbarton to Portogruaro | 1,028.65 mi (1,655.45 km) |
| Dumbarton to Portomaggiore | 1,055.62 mi (1,698.85 km) |
| Dumbarton to Potenza | 1,402.28 mi (2,256.75 km) |
