| Ankeny to Oerlinghausen | 4,473.88 mi (7,200.01 km) |
| Ankeny to Oestrich-Winkel | 4,531.24 mi (7,292.33 km) |
| Ankeny to Offenburg | 4,592.37 mi (7,390.71 km) |
| Ankeny to Oftersheim | 4,578.25 mi (7,367.98 km) |
| Ankeny to Ohrdruf | 4,592.36 mi (7,390.69 km) |
| Ankeny to Ohringen | 4,618.16 mi (7,432.22 km) |
| Ankeny to Olbernhau | 4,688.00 mi (7,544.60 km) |
| Ankeny to Olching | 4,726.00 mi (7,605.77 km) |
| Ankeny to Oldenburg | 4,410.78 mi (7,098.46 km) |
| Ankeny to Oldenburg in Holstein | 4,451.80 mi (7,164.48 km) |
| Ankeny to Olfen | 4,439.64 mi (7,144.92 km) |
| Ankeny to Olpe | 4,483.70 mi (7,215.82 km) |
| Ankeny to Olsberg | 4,492.79 mi (7,230.44 km) |
| Ankeny to Oranienburg | 4,593.62 mi (7,392.72 km) |
| Ankeny to Ortenberg | 4,553.87 mi (7,328.75 km) |
