| Castlebar to Petite-Synthe | 527.67 mi (849.20 km) |
| Castlebar to Pfastatt | 835.11 mi (1,343.98 km) |
| Castlebar to Pia | 948.63 mi (1,526.68 km) |
| Castlebar to Pibrac | 854.47 mi (1,375.13 km) |
| Castlebar to Pierre-Benite | 842.61 mi (1,356.04 km) |
| Castlebar to Pierrefitte-sur-Seine | 604.54 mi (972.92 km) |
| Castlebar to Pierrelatte | 907.81 mi (1,460.98 km) |
| Castlebar to Pierrelaye | 594.60 mi (956.92 km) |
| Castlebar to Pithiviers | 636.32 mi (1,024.06 km) |
| Castlebar to Plabennec | 425.95 mi (685.51 km) |
| Castlebar to Plaisance-du-Touch | 857.82 mi (1,380.53 km) |
| Castlebar to Plaisir | 596.39 mi (959.80 km) |
| Castlebar to Plan-de-Cuques | 987.41 mi (1,589.08 km) |
| Castlebar to Plerin | 463.62 mi (746.13 km) |
| Castlebar to Ploemeur | 494.35 mi (795.57 km) |
