| Nizip to Oberkirch | 1,689.40 mi (2,718.83 km) |
| Nizip to Obernburg am Main | 1,673.65 mi (2,693.48 km) |
| Nizip to Obernkirchen | 1,741.36 mi (2,802.45 km) |
| Nizip to Oberschleissheim | 1,531.85 mi (2,465.27 km) |
| Nizip to Oberstdorf | 1,569.49 mi (2,525.84 km) |
| Nizip to Obertraubling | 1,524.90 mi (2,454.09 km) |
| Nizip to Obertshausen | 1,692.06 mi (2,723.11 km) |
| Nizip to Oberursel | 1,706.05 mi (2,745.63 km) |
| Nizip to Ochsenfurt | 1,630.40 mi (2,623.87 km) |
| Nizip to Ochsenhausen | 1,598.07 mi (2,571.85 km) |
| Nizip to Ochtrup | 1,813.82 mi (2,919.07 km) |
| Nizip to Odenthal | 1,786.35 mi (2,874.86 km) |
| Nizip to Oelde | 1,766.15 mi (2,842.34 km) |
| Nizip to Oelsnitz | 1,566.94 mi (2,521.75 km) |
| Nizip to Oer-Erkenschwick | 1,796.42 mi (2,891.06 km) |
