| Ankeny to Octeville | 4,188.65 mi (6,740.98 km) |
| Ankeny to Oignies | 4,331.48 mi (6,970.84 km) |
| Ankeny to Oissel | 4,303.18 mi (6,925.30 km) |
| Ankeny to Olivet | 4,390.24 mi (7,065.41 km) |
| Ankeny to Ollioules | 4,736.24 mi (7,622.25 km) |
| Ankeny to Olonne-sur-Mer | 4,296.18 mi (6,914.03 km) |
| Ankeny to Oloron-Sainte-Marie | 4,471.25 mi (7,195.79 km) |
| Ankeny to Onet Village | 4,555.44 mi (7,331.28 km) |
| Ankeny to Onnaing | 4,356.75 mi (7,011.50 km) |
| Ankeny to Orange | 4,653.17 mi (7,488.55 km) |
| Ankeny to Orchies | 4,340.46 mi (6,985.29 km) |
| Ankeny to Orleans | 4,389.08 mi (7,063.54 km) |
| Ankeny to Orly | 4,375.13 mi (7,041.09 km) |
| Ankeny to Ormesson-sur-Marne | 4,379.02 mi (7,047.35 km) |
| Ankeny to Orsay | 4,369.11 mi (7,031.40 km) |
