| Keizer to Orbetello | 5,769.48 mi (9,285.08 km) |
| Keizer to Oria | 6,046.38 mi (9,730.70 km) |
| Keizer to Oristano | 5,848.00 mi (9,411.45 km) |
| Keizer to Orta Nova | 5,949.39 mi (9,574.62 km) |
| Keizer to Orte | 5,798.42 mi (9,331.66 km) |
| Keizer to Ortona | 5,855.39 mi (9,423.34 km) |
| Keizer to Orvieto | 5,775.97 mi (9,295.52 km) |
| Keizer to Orzinuovi | 5,561.49 mi (8,950.35 km) |
| Keizer to Osimo | 5,764.42 mi (9,276.94 km) |
| Keizer to Ospitaletto | 5,555.90 mi (8,941.36 km) |
| Keizer to Ostuni | 6,030.80 mi (9,705.63 km) |
| Keizer to Ottaviano | 5,948.26 mi (9,572.79 km) |
| Keizer to Ovada | 5,572.75 mi (8,968.48 km) |
| Keizer to Ozieri | 5,819.69 mi (9,365.89 km) |
| Keizer to Paceco | 6,071.13 mi (9,770.54 km) |
