| Sonthofen to Navodari | 906.04 mi (1,458.14 km) |
| Sonthofen to Negresti-Oas | 611.00 mi (983.31 km) |
| Sonthofen to Nehoiu | 776.04 mi (1,248.92 km) |
| Sonthofen to Ocna Mures | 644.29 mi (1,036.88 km) |
| Sonthofen to Odobesti | 803.75 mi (1,293.51 km) |
| Sonthofen to Odorheiu Secuiesc | 712.63 mi (1,146.87 km) |
| Sonthofen to Oltenita | 820.89 mi (1,321.09 km) |
| Sonthofen to Onesti | 781.92 mi (1,258.37 km) |
| Sonthofen to Oradea | 545.82 mi (878.41 km) |
| Sonthofen to Orastie | 622.32 mi (1,001.52 km) |
| Sonthofen to Oravita | 570.21 mi (917.66 km) |
| Sonthofen to Orsova | 610.64 mi (982.73 km) |
| Sonthofen to Otelu Rosu | 589.65 mi (948.94 km) |
| Sonthofen to Otopeni | 783.04 mi (1,260.18 km) |
| Sonthofen to Ovidiu | 904.82 mi (1,456.17 km) |
