| Bad Salzdetfurth to Navodari | 1,005.81 mi (1,618.70 km) |
| Bad Salzdetfurth to Negresti-Oas | 661.60 mi (1,064.74 km) |
| Bad Salzdetfurth to Nehoiu | 872.87 mi (1,404.76 km) |
| Bad Salzdetfurth to Ocna Mures | 735.97 mi (1,184.43 km) |
| Bad Salzdetfurth to Odobesti | 885.29 mi (1,424.74 km) |
| Bad Salzdetfurth to Odorheiu Secuiesc | 794.45 mi (1,278.54 km) |
| Bad Salzdetfurth to Oltenita | 941.44 mi (1,515.10 km) |
| Bad Salzdetfurth to Onesti | 854.15 mi (1,374.63 km) |
| Bad Salzdetfurth to Oradea | 634.35 mi (1,020.89 km) |
| Bad Salzdetfurth to Orastie | 734.78 mi (1,182.51 km) |
| Bad Salzdetfurth to Oravita | 720.05 mi (1,158.80 km) |
| Bad Salzdetfurth to Orsova | 759.81 mi (1,222.79 km) |
| Bad Salzdetfurth to Otelu Rosu | 719.66 mi (1,158.18 km) |
| Bad Salzdetfurth to Otopeni | 899.27 mi (1,447.23 km) |
| Bad Salzdetfurth to Ovidiu | 1,005.97 mi (1,618.95 km) |
