| Monchengladbach to Oak Harbor (Washington) | 4,932.54 mi (7,938.15 km) |
| Monchengladbach to Oak Hills (Oregon) | 5,101.42 mi (8,209.95 km) |
| Monchengladbach to Oak Lawn (Illinois) | 4,216.38 mi (6,785.61 km) |
| Monchengladbach to Oak Park (California) | 5,665.97 mi (9,118.50 km) |
| Monchengladbach to Oak Park (Illinois) | 4,209.37 mi (6,774.33 km) |
| Monchengladbach to Oak Park (Michigan) | 4,010.48 mi (6,454.25 km) |
| Monchengladbach to Oak Ridge (Florida) | 4,622.92 mi (7,439.86 km) |
| Monchengladbach to Oak Ridge (New Jersey) | 3,739.12 mi (6,017.53 km) |
| Monchengladbach to Oak Ridge (Tennessee) | 4,365.04 mi (7,024.86 km) |
| Monchengladbach to Oakdale (California) | 5,513.18 mi (8,872.61 km) |
| Monchengladbach to Oakdale (Minnesota) | 4,242.77 mi (6,828.08 km) |
| Monchengladbach to Oakland (California) | 5,548.99 mi (8,930.24 km) |
| Monchengladbach to Oakland (New Jersey) | 3,728.96 mi (6,001.18 km) |
| Monchengladbach to Oakland Park (Florida) | 4,686.84 mi (7,542.74 km) |
| Monchengladbach to Oakleaf Plantation (Florida) | 4,554.51 mi (7,329.77 km) |
