| Havre de Grace to Pontedera | 4,275.81 mi (6,881.25 km) |
| Havre de Grace to Pontinia | 4,460.37 mi (7,178.28 km) |
| Havre de Grace to Porcari | 4,269.06 mi (6,870.39 km) |
| Havre de Grace to Porcia | 4,283.07 mi (6,892.93 km) |
| Havre de Grace to Pordenone | 4,285.03 mi (6,896.09 km) |
| Havre de Grace to Portici | 4,539.17 mi (7,305.09 km) |
| Havre de Grace to Porto Empedocle | 4,633.97 mi (7,457.66 km) |
| Havre de Grace to Porto Recanati | 4,415.22 mi (7,105.62 km) |
| Havre de Grace to Porto Sant'Elpidio | 4,424.77 mi (7,120.99 km) |
| Havre de Grace to Porto Tolle | 4,304.80 mi (6,927.90 km) |
| Havre de Grace to Porto Torres | 4,271.94 mi (6,875.02 km) |
| Havre de Grace to Portoferraio | 4,290.56 mi (6,904.99 km) |
| Havre de Grace to Portogruaro | 4,298.35 mi (6,917.53 km) |
| Havre de Grace to Portomaggiore | 4,291.22 mi (6,906.05 km) |
| Havre de Grace to Potenza | 4,610.47 mi (7,419.83 km) |
