| Tall Abyad to Oberkirch | 1,753.39 mi (2,821.80 km) |
| Tall Abyad to Obernburg am Main | 1,736.19 mi (2,794.12 km) |
| Tall Abyad to Obernkirchen | 1,801.28 mi (2,898.88 km) |
| Tall Abyad to Oberschleissheim | 1,595.38 mi (2,567.51 km) |
| Tall Abyad to Oberstdorf | 1,634.06 mi (2,629.77 km) |
| Tall Abyad to Obertraubling | 1,587.54 mi (2,554.89 km) |
| Tall Abyad to Obertshausen | 1,754.45 mi (2,823.51 km) |
| Tall Abyad to Oberursel | 1,768.36 mi (2,845.90 km) |
| Tall Abyad to Ochsenfurt | 1,692.90 mi (2,724.45 km) |
| Tall Abyad to Ochsenhausen | 1,662.13 mi (2,674.93 km) |
| Tall Abyad to Ochtrup | 1,874.39 mi (3,016.55 km) |
| Tall Abyad to Odenthal | 1,848.17 mi (2,974.35 km) |
| Tall Abyad to Oelde | 1,826.85 mi (2,940.04 km) |
| Tall Abyad to Oelsnitz | 1,627.95 mi (2,619.92 km) |
| Tall Abyad to Oer-Erkenschwick | 1,857.58 mi (2,989.48 km) |
