| Roissy-en-Brie to Octeville | 202.27 mi (325.52 km) |
| Roissy-en-Brie to Oignies | 116.98 mi (188.27 km) |
| Roissy-en-Brie to Oissel | 80.26 mi (129.16 km) |
| Roissy-en-Brie to Olivet | 72.74 mi (117.06 km) |
| Roissy-en-Brie to Ollioules | 419.43 mi (675.01 km) |
| Roissy-en-Brie to Olonne-sur-Mer | 258.11 mi (415.39 km) |
| Roissy-en-Brie to Oloron-Sainte-Marie | 417.01 mi (671.12 km) |
| Roissy-en-Brie to Onet Village | 305.75 mi (492.06 km) |
| Roissy-en-Brie to Onnaing | 118.21 mi (190.24 km) |
| Roissy-en-Brie to Orange | 337.41 mi (543.01 km) |
| Roissy-en-Brie to Orchies | 119.34 mi (192.06 km) |
| Roissy-en-Brie to Orleans | 70.21 mi (112.99 km) |
| Roissy-en-Brie to Orly | 12.23 mi (19.69 km) |
| Roissy-en-Brie to Ormesson-sur-Marne | 5.18 mi (8.34 km) |
| Roissy-en-Brie to Orsay | 22.10 mi (35.57 km) |
