| Frankfort to Octeville | 4,001.70 mi (6,440.11 km) |
| Frankfort to Oignies | 4,165.75 mi (6,704.13 km) |
| Frankfort to Oissel | 4,121.93 mi (6,633.61 km) |
| Frankfort to Olivet | 4,199.05 mi (6,757.72 km) |
| Frankfort to Ollioules | 4,521.39 mi (7,276.48 km) |
| Frankfort to Olonne-sur-Mer | 4,082.22 mi (6,569.69 km) |
| Frankfort to Oloron-Sainte-Marie | 4,233.98 mi (6,813.93 km) |
| Frankfort to Onet Village | 4,338.34 mi (6,981.88 km) |
| Frankfort to Onnaing | 4,192.19 mi (6,746.67 km) |
| Frankfort to Orange | 4,442.12 mi (7,148.90 km) |
| Frankfort to Orchies | 4,175.54 mi (6,719.89 km) |
| Frankfort to Orleans | 4,198.23 mi (6,756.40 km) |
| Frankfort to Orly | 4,192.87 mi (6,747.77 km) |
| Frankfort to Ormesson-sur-Marne | 4,197.57 mi (6,755.34 km) |
| Frankfort to Orsay | 4,185.81 mi (6,736.42 km) |
