| Roscoe to Orbetello | 4,766.51 mi (7,670.96 km) |
| Roscoe to Oria | 5,105.68 mi (8,216.80 km) |
| Roscoe to Oristano | 4,769.39 mi (7,675.60 km) |
| Roscoe to Orta Nova | 4,992.71 mi (8,034.99 km) |
| Roscoe to Orte | 4,811.97 mi (7,744.12 km) |
| Roscoe to Ortona | 4,895.57 mi (7,878.66 km) |
| Roscoe to Orvieto | 4,789.82 mi (7,708.47 km) |
| Roscoe to Orzinuovi | 4,590.18 mi (7,387.18 km) |
| Roscoe to Osimo | 4,809.63 mi (7,740.35 km) |
| Roscoe to Ospitaletto | 4,589.07 mi (7,385.40 km) |
| Roscoe to Ostuni | 5,092.85 mi (8,196.14 km) |
| Roscoe to Ottaviano | 4,966.25 mi (7,992.40 km) |
| Roscoe to Ovada | 4,571.75 mi (7,357.51 km) |
| Roscoe to Ozieri | 4,757.26 mi (7,656.07 km) |
| Roscoe to Paceco | 5,017.94 mi (8,075.59 km) |
