| Zimnicea to Oberkirch | 891.75 mi (1,435.13 km) |
| Zimnicea to Obernburg am Main | 876.58 mi (1,410.71 km) |
| Zimnicea to Obernkirchen | 955.24 mi (1,537.31 km) |
| Zimnicea to Oberschleissheim | 733.76 mi (1,180.86 km) |
| Zimnicea to Oberstdorf | 773.57 mi (1,244.95 km) |
| Zimnicea to Obertraubling | 727.75 mi (1,171.20 km) |
| Zimnicea to Obertshausen | 895.33 mi (1,440.89 km) |
| Zimnicea to Oberursel | 909.49 mi (1,463.69 km) |
| Zimnicea to Ochsenfurt | 833.45 mi (1,341.31 km) |
| Zimnicea to Ochsenhausen | 800.55 mi (1,288.37 km) |
| Zimnicea to Ochtrup | 1,023.74 mi (1,647.55 km) |
| Zimnicea to Odenthal | 991.13 mi (1,595.06 km) |
| Zimnicea to Oelde | 975.62 mi (1,570.10 km) |
| Zimnicea to Oelsnitz | 775.89 mi (1,248.67 km) |
| Zimnicea to Oer-Erkenschwick | 1,003.69 mi (1,615.28 km) |
