| Momchilgrad to Oak Harbor (Washington) | 5,931.25 mi (9,545.43 km) |
| Momchilgrad to Oak Hills (Oregon) | 6,110.02 mi (9,833.13 km) |
| Momchilgrad to Oak Lawn (Illinois) | 5,334.82 mi (8,585.56 km) |
| Momchilgrad to Oak Park (California) | 6,732.86 mi (10,835.49 km) |
| Momchilgrad to Oak Park (Illinois) | 5,327.69 mi (8,574.08 km) |
| Momchilgrad to Oak Park (Michigan) | 5,129.82 mi (8,255.64 km) |
| Momchilgrad to Oak Ridge (Florida) | 5,720.08 mi (9,205.58 km) |
| Momchilgrad to Oak Ridge (New Jersey) | 4,853.17 mi (7,810.43 km) |
| Momchilgrad to Oak Ridge (Tennessee) | 5,481.58 mi (8,821.75 km) |
| Momchilgrad to Oakdale (California) | 6,559.64 mi (10,556.72 km) |
| Momchilgrad to Oakdale (Minnesota) | 5,352.08 mi (8,613.34 km) |
| Momchilgrad to Oakland (California) | 6,588.50 mi (10,603.17 km) |
| Momchilgrad to Oakland (New Jersey) | 4,842.74 mi (7,793.64 km) |
| Momchilgrad to Oakland Park (Florida) | 5,773.28 mi (9,291.20 km) |
| Momchilgrad to Oakleaf Plantation (Florida) | 5,657.15 mi (9,104.30 km) |
