| Pierrefitte-sur-Seine to Oria | 947.81 mi (1,525.35 km) |
| Pierrefitte-sur-Seine to Oristano | 696.78 mi (1,121.36 km) |
| Pierrefitte-sur-Seine to Orta Nova | 835.46 mi (1,344.54 km) |
| Pierrefitte-sur-Seine to Orte | 659.23 mi (1,060.92 km) |
| Pierrefitte-sur-Seine to Ortona | 738.06 mi (1,187.79 km) |
| Pierrefitte-sur-Seine to Orvieto | 636.65 mi (1,024.59 km) |
| Pierrefitte-sur-Seine to Orzinuovi | 432.26 mi (695.65 km) |
| Pierrefitte-sur-Seine to Osimo | 651.72 mi (1,048.84 km) |
| Pierrefitte-sur-Seine to Ospitaletto | 431.29 mi (694.09 km) |
| Pierrefitte-sur-Seine to Ostuni | 934.92 mi (1,504.61 km) |
| Pierrefitte-sur-Seine to Ottaviano | 814.22 mi (1,310.36 km) |
| Pierrefitte-sur-Seine to Ovada | 421.29 mi (678.00 km) |
| Pierrefitte-sur-Seine to Ozieri | 663.79 mi (1,068.27 km) |
| Pierrefitte-sur-Seine to Paceco | 912.94 mi (1,469.24 km) |
| Pierrefitte-sur-Seine to Pachino | 1,061.25 mi (1,707.92 km) |
