| Mariehamn to Pontinia | 1,324.41 mi (2,131.43 km) |
| Mariehamn to Porcari | 1,188.58 mi (1,912.84 km) |
| Mariehamn to Porcia | 1,021.25 mi (1,643.55 km) |
| Mariehamn to Pordenone | 1,021.97 mi (1,644.71 km) |
| Mariehamn to Portici | 1,353.50 mi (2,178.25 km) |
| Mariehamn to Porto Empedocle | 1,600.81 mi (2,576.26 km) |
| Mariehamn to Porto Recanati | 1,181.14 mi (1,900.86 km) |
| Mariehamn to Porto Sant'Elpidio | 1,191.60 mi (1,917.69 km) |
| Mariehamn to Porto Tolle | 1,092.92 mi (1,758.88 km) |
| Mariehamn to Porto Torres | 1,419.48 mi (2,284.43 km) |
| Mariehamn to Portoferraio | 1,260.83 mi (2,029.10 km) |
| Mariehamn to Portogruaro | 1,031.00 mi (1,659.23 km) |
| Mariehamn to Portomaggiore | 1,115.93 mi (1,795.92 km) |
| Mariehamn to Potenza | 1,356.66 mi (2,183.33 km) |
| Mariehamn to Potenza Picena | 1,186.03 mi (1,908.74 km) |
