| Varna to Oak Harbor (Washington) | 5,865.39 mi (9,439.43 km) |
| Varna to Oak Hills (Oregon) | 6,046.70 mi (9,731.22 km) |
| Varna to Oak Lawn (Illinois) | 5,340.32 mi (8,594.41 km) |
| Varna to Oak Park (California) | 6,690.75 mi (10,767.72 km) |
| Varna to Oak Park (Illinois) | 5,332.75 mi (8,582.23 km) |
| Varna to Oak Park (Michigan) | 5,141.12 mi (8,273.84 km) |
| Varna to Oak Ridge (Florida) | 5,764.67 mi (9,277.34 km) |
| Varna to Oak Ridge (New Jersey) | 4,881.37 mi (7,855.80 km) |
| Varna to Oak Ridge (Tennessee) | 5,505.25 mi (8,859.85 km) |
| Varna to Oakdale (California) | 6,508.77 mi (10,474.86 km) |
| Varna to Oakdale (Minnesota) | 5,342.12 mi (8,597.32 km) |
| Varna to Oakland (California) | 6,534.73 mi (10,516.63 km) |
| Varna to Oakland (New Jersey) | 4,871.32 mi (7,839.64 km) |
| Varna to Oakland Park (Florida) | 5,824.91 mi (9,374.29 km) |
| Varna to Oakleaf Plantation (Florida) | 5,697.44 mi (9,169.15 km) |
