| Idil to Octeville | 2,303.48 mi (3,707.09 km) |
| Idil to Oignies | 2,107.22 mi (3,391.25 km) |
| Idil to Oissel | 2,179.38 mi (3,507.37 km) |
| Idil to Olivet | 2,132.15 mi (3,431.36 km) |
| Idil to Ollioules | 1,927.35 mi (3,101.77 km) |
| Idil to Olonne-sur-Mer | 2,300.44 mi (3,702.20 km) |
| Idil to Oloron-Sainte-Marie | 2,252.06 mi (3,624.35 km) |
| Idil to Onet Village | 2,089.18 mi (3,362.21 km) |
| Idil to Onnaing | 2,080.04 mi (3,347.49 km) |
| Idil to Orange | 1,979.46 mi (3,185.63 km) |
| Idil to Orchies | 2,096.46 mi (3,373.92 km) |
| Idil to Orleans | 2,131.99 mi (3,431.11 km) |
| Idil to Orly | 2,115.95 mi (3,405.29 km) |
| Idil to Ormesson-sur-Marne | 2,109.73 mi (3,395.28 km) |
| Idil to Orsay | 2,124.87 mi (3,419.65 km) |
