| Saint-Omer to Ploermel | 285.99 mi (460.26 km) |
| Saint-Omer to Ploufragan | 274.85 mi (442.32 km) |
| Saint-Omer to Plougastel-Daoulas | 339.34 mi (546.12 km) |
| Saint-Omer to Plouzane | 348.12 mi (560.25 km) |
| Saint-Omer to Poissy | 126.04 mi (202.84 km) |
| Saint-Omer to Poitiers | 301.02 mi (484.44 km) |
| Saint-Omer to Pont-a-Mousson | 211.66 mi (340.64 km) |
| Saint-Omer to Pont-du-Chateau | 345.00 mi (555.23 km) |
| Saint-Omer to Pont-Saint-Esprit | 462.12 mi (743.70 km) |
| Saint-Omer to Pont-Sainte-Maxence | 101.14 mi (162.77 km) |
| Saint-Omer to Pontarlier | 324.16 mi (521.68 km) |
| Saint-Omer to Pontchateau | 301.65 mi (485.46 km) |
| Saint-Omer to Pontivy | 298.92 mi (481.07 km) |
| Saint-Omer to Pontoise | 117.44 mi (189.01 km) |
| Saint-Omer to Pornic | 319.63 mi (514.39 km) |
