| Petite-Synthe to Olivenza | 968.24 mi (1,558.24 km) |
| Petite-Synthe to Olot | 610.88 mi (983.12 km) |
| Petite-Synthe to Onate | 595.67 mi (958.64 km) |
| Petite-Synthe to Onda | 774.52 mi (1,246.47 km) |
| Petite-Synthe to Onteniente | 855.16 mi (1,376.25 km) |
| Petite-Synthe to Orihuela | 908.29 mi (1,461.76 km) |
| Petite-Synthe to Osuna | 1,020.68 mi (1,642.62 km) |
| Petite-Synthe to Ourense | 769.71 mi (1,238.73 km) |
| Petite-Synthe to Oviedo | 653.73 mi (1,052.07 km) |
| Petite-Synthe to Paiporta | 812.27 mi (1,307.22 km) |
| Petite-Synthe to Pajara | 1,785.03 mi (2,872.72 km) |
| Petite-Synthe to Palafolls | 646.57 mi (1,040.55 km) |
| Petite-Synthe to Palafrugell | 630.31 mi (1,014.39 km) |
| Petite-Synthe to Palamos | 635.16 mi (1,022.18 km) |
| Petite-Synthe to Palencia | 702.42 mi (1,130.43 km) |
