| Provadia to Oak Harbor (Washington) | 5,859.51 mi (9,429.97 km) |
| Provadia to Oak Hills (Oregon) | 6,040.46 mi (9,721.19 km) |
| Provadia to Oak Lawn (Illinois) | 5,325.15 mi (8,570.00 km) |
| Provadia to Oak Park (California) | 6,681.58 mi (10,752.97 km) |
| Provadia to Oak Park (Illinois) | 5,317.63 mi (8,557.90 km) |
| Provadia to Oak Park (Michigan) | 5,125.30 mi (8,248.37 km) |
| Provadia to Oak Ridge (Florida) | 5,745.57 mi (9,246.60 km) |
| Provadia to Oak Ridge (New Jersey) | 4,863.76 mi (7,827.47 km) |
| Provadia to Oak Ridge (Tennessee) | 5,488.16 mi (8,832.34 km) |
| Provadia to Oakdale (California) | 6,500.80 mi (10,462.02 km) |
| Provadia to Oakdale (Minnesota) | 5,328.74 mi (8,575.77 km) |
| Provadia to Oakland (California) | 6,527.17 mi (10,504.46 km) |
| Provadia to Oakland (New Jersey) | 4,853.68 mi (7,811.24 km) |
| Provadia to Oakland Park (Florida) | 5,805.19 mi (9,342.54 km) |
| Provadia to Oakleaf Plantation (Florida) | 5,678.74 mi (9,139.04 km) |
