| Isernia to Ploermel | 923.19 mi (1,485.73 km) |
| Isernia to Ploufragan | 955.04 mi (1,536.99 km) |
| Isernia to Plougastel-Daoulas | 1,018.99 mi (1,639.91 km) |
| Isernia to Plouzane | 1,029.08 mi (1,656.14 km) |
| Isernia to Poissy | 777.99 mi (1,252.06 km) |
| Isernia to Poitiers | 769.27 mi (1,238.02 km) |
| Isernia to Pont-a-Mousson | 641.89 mi (1,033.02 km) |
| Isernia to Pont-du-Chateau | 620.10 mi (997.96 km) |
| Isernia to Pont-Saint-Esprit | 518.32 mi (834.15 km) |
| Isernia to Pont-Sainte-Maxence | 773.62 mi (1,245.02 km) |
| Isernia to Pontarlier | 534.79 mi (860.65 km) |
| Isernia to Pontchateau | 897.30 mi (1,444.06 km) |
| Isernia to Pontivy | 950.97 mi (1,530.43 km) |
| Isernia to Pontoise | 780.95 mi (1,256.81 km) |
| Isernia to Pornic | 890.38 mi (1,432.92 km) |
