| Donna to Orbetello | 5,906.29 mi (9,505.25 km) |
| Donna to Oria | 6,256.81 mi (10,069.36 km) |
| Donna to Oristano | 5,879.78 mi (9,462.60 km) |
| Donna to Orta Nova | 6,141.76 mi (9,884.21 km) |
| Donna to Orte | 5,956.17 mi (9,585.53 km) |
| Donna to Ortona | 6,046.31 mi (9,730.60 km) |
| Donna to Orvieto | 5,934.76 mi (9,551.08 km) |
| Donna to Orzinuovi | 5,745.75 mi (9,246.89 km) |
| Donna to Osimo | 5,964.39 mi (9,598.76 km) |
| Donna to Ospitaletto | 5,746.10 mi (9,247.45 km) |
| Donna to Ostuni | 6,245.21 mi (10,050.70 km) |
| Donna to Ottaviano | 6,107.45 mi (9,829.00 km) |
| Donna to Ovada | 5,718.01 mi (9,202.25 km) |
| Donna to Ozieri | 5,874.75 mi (9,454.49 km) |
| Donna to Paceco | 6,130.52 mi (9,866.12 km) |
