| Marquette to Octeville | 3,740.14 mi (6,019.17 km) |
| Marquette to Oignies | 3,880.61 mi (6,245.24 km) |
| Marquette to Oissel | 3,853.83 mi (6,202.15 km) |
| Marquette to Olivet | 3,941.98 mi (6,344.01 km) |
| Marquette to Ollioules | 4,291.02 mi (6,905.73 km) |
| Marquette to Olonne-sur-Mer | 3,851.63 mi (6,198.59 km) |
| Marquette to Oloron-Sainte-Marie | 4,031.08 mi (6,487.40 km) |
| Marquette to Onet Village | 4,110.95 mi (6,615.93 km) |
| Marquette to Onnaing | 3,905.76 mi (6,285.72 km) |
| Marquette to Orange | 4,207.44 mi (6,771.22 km) |
| Marquette to Orchies | 3,889.52 mi (6,259.57 km) |
| Marquette to Orleans | 3,940.78 mi (6,342.07 km) |
| Marquette to Orly | 3,925.81 mi (6,317.98 km) |
| Marquette to Ormesson-sur-Marne | 3,929.60 mi (6,324.08 km) |
| Marquette to Orsay | 3,919.91 mi (6,308.49 km) |
