| Pontoise to Novi di Modena | 504.11 mi (811.29 km) |
| Pontoise to Novi Ligure | 432.71 mi (696.38 km) |
| Pontoise to Nuoro | 699.57 mi (1,125.85 km) |
| Pontoise to Occhiobello | 529.56 mi (852.24 km) |
| Pontoise to Oderzo | 535.21 mi (861.33 km) |
| Pontoise to Oggiono | 406.94 mi (654.91 km) |
| Pontoise to Olbia | 667.59 mi (1,074.38 km) |
| Pontoise to Oleggio | 387.64 mi (623.84 km) |
| Pontoise to Olgiate Comasco | 392.19 mi (631.16 km) |
| Pontoise to Olgiate Olona | 395.46 mi (636.44 km) |
| Pontoise to Omegna | 366.97 mi (590.59 km) |
| Pontoise to Opera | 418.91 mi (674.16 km) |
| Pontoise to Oppeano | 498.62 mi (802.45 km) |
| Pontoise to Orbassano | 378.76 mi (609.55 km) |
| Pontoise to Orbetello | 632.93 mi (1,018.60 km) |
