| Yankton to Orbetello | 5,067.00 mi (8,154.55 km) |
| Yankton to Oria | 5,395.67 mi (8,683.49 km) |
| Yankton to Oristano | 5,087.28 mi (8,187.19 km) |
| Yankton to Orta Nova | 5,285.08 mi (8,505.51 km) |
| Yankton to Orte | 5,109.15 mi (8,222.38 km) |
| Yankton to Ortona | 5,187.53 mi (8,348.53 km) |
| Yankton to Orvieto | 5,086.67 mi (8,186.20 km) |
| Yankton to Orzinuovi | 4,881.20 mi (7,855.53 km) |
| Yankton to Osimo | 5,099.41 mi (8,206.71 km) |
| Yankton to Ospitaletto | 4,879.02 mi (7,852.02 km) |
| Yankton to Ostuni | 5,382.05 mi (8,661.57 km) |
| Yankton to Ottaviano | 5,264.15 mi (8,471.83 km) |
| Yankton to Ovada | 4,869.53 mi (7,836.75 km) |
| Yankton to Ozieri | 5,071.34 mi (8,161.53 km) |
| Yankton to Paceco | 5,332.60 mi (8,581.99 km) |
