| Pueblo West to Orbetello | 5,560.15 mi (8,948.20 km) |
| Pueblo West to Oria | 5,886.47 mi (9,473.35 km) |
| Pueblo West to Oristano | 5,582.70 mi (8,984.49 km) |
| Pueblo West to Orta Nova | 5,776.50 mi (9,296.37 km) |
| Pueblo West to Orte | 5,601.67 mi (9,015.02 km) |
| Pueblo West to Ortona | 5,678.95 mi (9,139.39 km) |
| Pueblo West to Orvieto | 5,579.15 mi (8,978.77 km) |
| Pueblo West to Orzinuovi | 5,372.69 mi (8,646.51 km) |
| Pueblo West to Osimo | 5,590.44 mi (8,996.94 km) |
| Pueblo West to Ospitaletto | 5,370.29 mi (8,642.64 km) |
| Pueblo West to Ostuni | 5,872.69 mi (9,451.17 km) |
| Pueblo West to Ottaviano | 5,756.70 mi (9,264.51 km) |
| Pueblo West to Ovada | 5,362.35 mi (8,629.86 km) |
| Pueblo West to Ozieri | 5,566.39 mi (8,958.24 km) |
| Pueblo West to Paceco | 5,827.63 mi (9,378.66 km) |
