| Monchengladbach to Odessa (Texas) | 5,257.62 mi (8,461.31 km) |
| Monchengladbach to Ogden (Utah) | 5,055.81 mi (8,136.54 km) |
| Monchengladbach to Oildale (California) | 5,600.11 mi (9,012.50 km) |
| Monchengladbach to Ojus (Florida) | 4,698.47 mi (7,561.45 km) |
| Monchengladbach to Okemos (Michigan) | 4,045.35 mi (6,510.36 km) |
| Monchengladbach to Oklahoma City (Oklahoma) | 4,890.40 mi (7,870.33 km) |
| Monchengladbach to Okmulgee (Oklahoma) | 4,827.84 mi (7,769.65 km) |
| Monchengladbach to Olathe (Kansas) | 4,615.04 mi (7,427.19 km) |
| Monchengladbach to Old Jamestown (Missouri) | 4,451.48 mi (7,163.97 km) |
| Monchengladbach to Oldsmar (Florida) | 4,696.06 mi (7,557.58 km) |
| Monchengladbach to Olean (New York) | 3,846.58 mi (6,190.47 km) |
| Monchengladbach to Olive Branch (Mississippi) | 4,630.68 mi (7,452.35 km) |
| Monchengladbach to Olivehurst (California) | 5,454.00 mi (8,777.36 km) |
| Monchengladbach to Olney (Maryland) | 3,927.30 mi (6,320.38 km) |
| Monchengladbach to Olympia (Washington) | 5,013.31 mi (8,068.15 km) |
