| Oroville to Oerlinghausen | 5,445.67 mi (8,763.96 km) |
| Oroville to Oestrich-Winkel | 5,536.70 mi (8,910.46 km) |
| Oroville to Offenburg | 5,619.39 mi (9,043.54 km) |
| Oroville to Oftersheim | 5,587.17 mi (8,991.68 km) |
| Oroville to Ohrdruf | 5,561.72 mi (8,950.72 km) |
| Oroville to Ohringen | 5,621.12 mi (9,046.32 km) |
| Oroville to Olbernhau | 5,635.22 mi (9,069.02 km) |
| Oroville to Olching | 5,725.42 mi (9,214.17 km) |
| Oroville to Oldenburg | 5,369.34 mi (8,641.12 km) |
| Oroville to Oldenburg in Holstein | 5,370.07 mi (8,642.29 km) |
| Oroville to Olfen | 5,426.18 mi (8,732.59 km) |
| Oroville to Olpe | 5,476.35 mi (8,813.33 km) |
| Oroville to Olsberg | 5,475.00 mi (8,811.17 km) |
| Oroville to Oranienburg | 5,512.89 mi (8,872.14 km) |
| Oroville to Ortenberg | 5,544.99 mi (8,923.80 km) |
