| Bad Krozingen to Navodari | 1,028.45 mi (1,655.14 km) |
| Bad Krozingen to Negresti-Oas | 727.22 mi (1,170.35 km) |
| Bad Krozingen to Nehoiu | 897.93 mi (1,445.08 km) |
| Bad Krozingen to Ocna Mures | 765.14 mi (1,231.38 km) |
| Bad Krozingen to Odobesti | 924.73 mi (1,488.21 km) |
| Bad Krozingen to Odorheiu Secuiesc | 833.15 mi (1,340.82 km) |
| Bad Krozingen to Oltenita | 943.85 mi (1,518.98 km) |
| Bad Krozingen to Onesti | 902.03 mi (1,451.67 km) |
| Bad Krozingen to Oradea | 665.50 mi (1,071.02 km) |
| Bad Krozingen to Orastie | 744.43 mi (1,198.05 km) |
| Bad Krozingen to Oravita | 693.33 mi (1,115.81 km) |
| Bad Krozingen to Orsova | 733.77 mi (1,180.89 km) |
| Bad Krozingen to Otelu Rosu | 712.41 mi (1,146.52 km) |
| Bad Krozingen to Otopeni | 905.83 mi (1,457.80 km) |
| Bad Krozingen to Ovidiu | 1,027.29 mi (1,653.27 km) |
