| Nogent-sur-Oise to Oria | 955.43 mi (1,537.61 km) |
| Nogent-sur-Oise to Oristano | 713.48 mi (1,148.24 km) |
| Nogent-sur-Oise to Orta Nova | 843.73 mi (1,357.86 km) |
| Nogent-sur-Oise to Orte | 669.32 mi (1,077.17 km) |
| Nogent-sur-Oise to Ortona | 746.23 mi (1,200.94 km) |
| Nogent-sur-Oise to Orvieto | 646.69 mi (1,040.75 km) |
| Nogent-sur-Oise to Orzinuovi | 439.97 mi (708.06 km) |
| Nogent-sur-Oise to Osimo | 659.07 mi (1,060.68 km) |
| Nogent-sur-Oise to Ospitaletto | 438.40 mi (705.54 km) |
| Nogent-sur-Oise to Ostuni | 942.32 mi (1,516.52 km) |
| Nogent-sur-Oise to Ottaviano | 824.18 mi (1,326.39 km) |
| Nogent-sur-Oise to Ovada | 432.73 mi (696.42 km) |
| Nogent-sur-Oise to Ozieri | 679.64 mi (1,093.78 km) |
| Nogent-sur-Oise to Paceco | 927.13 mi (1,492.07 km) |
| Nogent-sur-Oise to Pachino | 1,074.14 mi (1,728.66 km) |
