| Dolton to Orbetello | 4,744.44 mi (7,635.45 km) |
| Dolton to Oria | 5,086.24 mi (8,185.52 km) |
| Dolton to Oristano | 4,742.07 mi (7,631.62 km) |
| Dolton to Orta Nova | 4,972.73 mi (8,002.84 km) |
| Dolton to Orte | 4,790.82 mi (7,710.08 km) |
| Dolton to Ortona | 4,875.83 mi (7,846.89 km) |
| Dolton to Orvieto | 4,768.79 mi (7,674.62 km) |
| Dolton to Orzinuovi | 4,571.11 mi (7,356.49 km) |
| Dolton to Osimo | 4,790.63 mi (7,709.77 km) |
| Dolton to Ospitaletto | 4,570.31 mi (7,355.20 km) |
| Dolton to Ostuni | 5,073.65 mi (8,165.25 km) |
| Dolton to Ottaviano | 4,944.69 mi (7,957.71 km) |
| Dolton to Ovada | 4,550.72 mi (7,323.68 km) |
| Dolton to Ozieri | 4,731.12 mi (7,614.00 km) |
| Dolton to Paceco | 4,991.31 mi (8,032.74 km) |
