| Monchengladbach to Orangevale (California) | 5,468.25 mi (8,800.29 km) |
| Monchengladbach to Orchards (Washington) | 5,084.97 mi (8,183.47 km) |
| Monchengladbach to Orcutt (California) | 5,673.57 mi (9,130.73 km) |
| Monchengladbach to Oregon (Ohio) | 4,057.92 mi (6,530.60 km) |
| Monchengladbach to Oregon (Wisconsin) | 4,217.37 mi (6,787.21 km) |
| Monchengladbach to Oregon City (Oregon) | 5,107.16 mi (8,219.19 km) |
| Monchengladbach to Orem (Utah) | 5,100.25 mi (8,208.06 km) |
| Monchengladbach to Orinda (California) | 5,542.55 mi (8,919.88 km) |
| Monchengladbach to Orland Park (Illinois) | 4,225.55 mi (6,800.36 km) |
| Monchengladbach to Orlando (Florida) | 4,619.38 mi (7,434.17 km) |
| Monchengladbach to Ormond Beach (Florida) | 4,568.19 mi (7,351.80 km) |
| Monchengladbach to Oro Valley (Arizona) | 5,524.72 mi (8,891.18 km) |
| Monchengladbach to Oroville (California) | 5,429.08 mi (8,737.26 km) |
| Monchengladbach to Oshkosh (Wisconsin) | 4,134.78 mi (6,654.29 km) |
| Monchengladbach to Oskaloosa (Iowa) | 4,414.63 mi (7,104.66 km) |
