| Monschau to Oak Harbor (Washington) | 4,965.41 mi (7,991.06 km) |
| Monschau to Oak Hills (Oregon) | 5,133.57 mi (8,261.68 km) |
| Monschau to Oak Lawn (Illinois) | 4,233.11 mi (6,812.53 km) |
| Monschau to Oak Park (California) | 5,693.00 mi (9,162.00 km) |
| Monschau to Oak Park (Illinois) | 4,226.22 mi (6,801.44 km) |
| Monschau to Oak Park (Michigan) | 4,025.71 mi (6,478.76 km) |
| Monschau to Oak Ridge (Florida) | 4,628.73 mi (7,449.22 km) |
| Monschau to Oak Ridge (New Jersey) | 3,749.54 mi (6,034.31 km) |
| Monschau to Oak Ridge (Tennessee) | 4,376.75 mi (7,043.70 km) |
| Monschau to Oakdale (California) | 5,542.25 mi (8,919.39 km) |
| Monschau to Oakdale (Minnesota) | 4,263.54 mi (6,861.51 km) |
| Monschau to Oakland (California) | 5,578.63 mi (8,977.94 km) |
| Monschau to Oakland (New Jersey) | 3,739.26 mi (6,017.76 km) |
| Monschau to Oakland Park (Florida) | 4,690.64 mi (7,548.85 km) |
| Monschau to Oakleaf Plantation (Florida) | 4,561.53 mi (7,341.08 km) |
