| Dickinson to Orbetello | 5,064.02 mi (8,149.75 km) |
| Dickinson to Oria | 5,376.86 mi (8,653.22 km) |
| Dickinson to Oristano | 5,106.40 mi (8,217.96 km) |
| Dickinson to Orta Nova | 5,270.13 mi (8,481.46 km) |
| Dickinson to Orte | 5,101.68 mi (8,210.36 km) |
| Dickinson to Ortona | 5,172.99 mi (8,325.12 km) |
| Dickinson to Orvieto | 5,079.01 mi (8,173.88 km) |
| Dickinson to Orzinuovi | 4,868.36 mi (7,834.87 km) |
| Dickinson to Osimo | 5,083.03 mi (8,180.35 km) |
| Dickinson to Ospitaletto | 4,864.92 mi (7,829.33 km) |
| Dickinson to Ostuni | 5,362.42 mi (8,629.98 km) |
| Dickinson to Ottaviano | 5,256.18 mi (8,459.00 km) |
| Dickinson to Ovada | 4,865.05 mi (7,829.54 km) |
| Dickinson to Ozieri | 5,085.60 mi (8,184.48 km) |
| Dickinson to Paceco | 5,345.34 mi (8,602.49 km) |
