| Vermilion to Octeville | 3,756.31 mi (6,045.19 km) |
| Vermilion to Oignies | 3,916.98 mi (6,303.77 km) |
| Vermilion to Oissel | 3,875.70 mi (6,237.33 km) |
| Vermilion to Olivet | 3,954.75 mi (6,364.55 km) |
| Vermilion to Ollioules | 4,282.43 mi (6,891.90 km) |
| Vermilion to Olonne-sur-Mer | 3,842.38 mi (6,183.71 km) |
| Vermilion to Oloron-Sainte-Marie | 3,999.87 mi (6,437.17 km) |
| Vermilion to Onet Village | 4,099.60 mi (6,597.67 km) |
| Vermilion to Onnaing | 3,943.27 mi (6,346.07 km) |
| Vermilion to Orange | 4,202.20 mi (6,762.79 km) |
| Vermilion to Orchies | 3,926.66 mi (6,319.34 km) |
| Vermilion to Orleans | 3,953.86 mi (6,363.13 km) |
| Vermilion to Orly | 3,946.91 mi (6,351.94 km) |
| Vermilion to Ormesson-sur-Marne | 3,951.48 mi (6,359.29 km) |
| Vermilion to Orsay | 3,940.04 mi (6,340.87 km) |
