| Detmold to Navodari | 1,046.19 mi (1,683.67 km) |
| Detmold to Negresti-Oas | 703.92 mi (1,132.85 km) |
| Detmold to Nehoiu | 912.90 mi (1,469.16 km) |
| Detmold to Ocna Mures | 775.56 mi (1,248.14 km) |
| Detmold to Odobesti | 926.66 mi (1,491.31 km) |
| Detmold to Odorheiu Secuiesc | 835.29 mi (1,344.26 km) |
| Detmold to Oltenita | 979.64 mi (1,576.57 km) |
| Detmold to Onesti | 896.09 mi (1,442.12 km) |
| Detmold to Oradea | 673.28 mi (1,083.55 km) |
| Detmold to Orastie | 772.44 mi (1,243.12 km) |
| Detmold to Oravita | 753.65 mi (1,212.88 km) |
| Detmold to Orsova | 793.84 mi (1,277.56 km) |
| Detmold to Otelu Rosu | 755.42 mi (1,215.73 km) |
| Detmold to Otopeni | 937.66 mi (1,509.02 km) |
| Detmold to Ovidiu | 1,046.23 mi (1,683.74 km) |
