| La Chapelle-sur-Erdre to Oria | 1,060.62 mi (1,706.90 km) |
| La Chapelle-sur-Erdre to Oristano | 718.95 mi (1,157.05 km) |
| La Chapelle-sur-Erdre to Orta Nova | 945.12 mi (1,521.02 km) |
| La Chapelle-sur-Erdre to Orte | 758.44 mi (1,220.60 km) |
| La Chapelle-sur-Erdre to Ortona | 851.25 mi (1,369.95 km) |
| La Chapelle-sur-Erdre to Orvieto | 737.31 mi (1,186.58 km) |
| La Chapelle-sur-Erdre to Orzinuovi | 562.72 mi (905.61 km) |
| La Chapelle-sur-Erdre to Osimo | 774.23 mi (1,246.00 km) |
| La Chapelle-sur-Erdre to Ospitaletto | 566.06 mi (910.99 km) |
| La Chapelle-sur-Erdre to Ostuni | 1,049.78 mi (1,689.46 km) |
| La Chapelle-sur-Erdre to Ottaviano | 909.49 mi (1,463.68 km) |
| La Chapelle-sur-Erdre to Ovada | 522.65 mi (841.12 km) |
| La Chapelle-sur-Erdre to Ozieri | 699.59 mi (1,125.88 km) |
| La Chapelle-sur-Erdre to Paceco | 960.65 mi (1,546.02 km) |
| La Chapelle-sur-Erdre to Pachino | 1,120.75 mi (1,803.67 km) |
