| Port Laoise to Pontinia | 1,239.81 mi (1,995.29 km) |
| Port Laoise to Porcari | 1,033.27 mi (1,662.89 km) |
| Port Laoise to Porcia | 1,013.52 mi (1,631.10 km) |
| Port Laoise to Pordenone | 1,015.49 mi (1,634.27 km) |
| Port Laoise to Portici | 1,315.52 mi (2,117.12 km) |
| Port Laoise to Porto Empedocle | 1,476.43 mi (2,376.08 km) |
| Port Laoise to Porto Recanati | 1,163.94 mi (1,873.18 km) |
| Port Laoise to Porto Sant'Elpidio | 1,174.80 mi (1,890.65 km) |
| Port Laoise to Porto Tolle | 1,044.93 mi (1,681.65 km) |
| Port Laoise to Porto Torres | 1,116.97 mi (1,797.59 km) |
| Port Laoise to Portoferraio | 1,073.44 mi (1,727.53 km) |
| Port Laoise to Portogruaro | 1,029.41 mi (1,656.68 km) |
| Port Laoise to Portomaggiore | 1,036.58 mi (1,668.22 km) |
| Port Laoise to Potenza | 1,377.30 mi (2,216.55 km) |
| Port Laoise to Potenza Picena | 1,165.19 mi (1,875.19 km) |
