| Monchengladbach to Navodari | 1,128.71 mi (1,816.48 km) |
| Monchengladbach to Negresti-Oas | 793.80 mi (1,277.50 km) |
| Monchengladbach to Nehoiu | 995.02 mi (1,601.33 km) |
| Monchengladbach to Ocna Mures | 857.34 mi (1,379.75 km) |
| Monchengladbach to Odobesti | 1,012.53 mi (1,629.52 km) |
| Monchengladbach to Odorheiu Secuiesc | 920.14 mi (1,480.83 km) |
| Monchengladbach to Oltenita | 1,056.33 mi (1,699.99 km) |
| Monchengladbach to Onesti | 983.79 mi (1,583.25 km) |
| Monchengladbach to Oradea | 754.16 mi (1,213.70 km) |
| Monchengladbach to Orastie | 849.04 mi (1,366.40 km) |
| Monchengladbach to Oravita | 819.85 mi (1,319.42 km) |
| Monchengladbach to Orsova | 860.75 mi (1,385.24 km) |
| Monchengladbach to Otelu Rosu | 827.18 mi (1,331.22 km) |
| Monchengladbach to Otopeni | 1,015.13 mi (1,633.70 km) |
| Monchengladbach to Ovidiu | 1,128.41 mi (1,816.00 km) |
