| Dent to Orbetello | 4,726.94 mi (7,607.27 km) |
| Dent to Oria | 5,074.65 mi (8,166.86 km) |
| Dent to Oristano | 4,710.89 mi (7,581.44 km) |
| Dent to Orta Nova | 4,960.02 mi (7,982.39 km) |
| Dent to Orte | 4,775.56 mi (7,685.52 km) |
| Dent to Ortona | 4,863.98 mi (7,827.82 km) |
| Dent to Orvieto | 4,753.90 mi (7,650.67 km) |
| Dent to Orzinuovi | 4,561.80 mi (7,341.51 km) |
| Dent to Osimo | 4,780.90 mi (7,694.12 km) |
| Dent to Ospitaletto | 4,561.80 mi (7,341.51 km) |
| Dent to Ostuni | 5,062.70 mi (8,147.63 km) |
| Dent to Ottaviano | 4,927.99 mi (7,930.83 km) |
| Dent to Ovada | 4,536.45 mi (7,300.71 km) |
| Dent to Ozieri | 4,703.07 mi (7,568.87 km) |
| Dent to Paceco | 4,961.34 mi (7,984.50 km) |
