| Shannon to Pontinia | 1,285.12 mi (2,068.20 km) |
| Shannon to Porcari | 1,080.08 mi (1,738.22 km) |
| Shannon to Porcia | 1,068.21 mi (1,719.12 km) |
| Shannon to Pordenone | 1,070.18 mi (1,722.30 km) |
| Shannon to Portici | 1,361.64 mi (2,191.35 km) |
| Shannon to Porto Empedocle | 1,515.06 mi (2,438.25 km) |
| Shannon to Porto Recanati | 1,214.31 mi (1,954.25 km) |
| Shannon to Porto Sant'Elpidio | 1,224.94 mi (1,971.34 km) |
| Shannon to Porto Tolle | 1,096.90 mi (1,765.28 km) |
| Shannon to Porto Torres | 1,152.39 mi (1,854.59 km) |
| Shannon to Portoferraio | 1,117.26 mi (1,798.05 km) |
| Shannon to Portogruaro | 1,083.93 mi (1,744.41 km) |
| Shannon to Portomaggiore | 1,087.27 mi (1,749.79 km) |
| Shannon to Potenza | 1,425.14 mi (2,293.54 km) |
| Shannon to Potenza Picena | 1,215.36 mi (1,955.94 km) |
