| Celbridge to Oberkirch | 716.18 mi (1,152.58 km) |
| Celbridge to Obernburg am Main | 713.40 mi (1,148.11 km) |
| Celbridge to Obernkirchen | 656.84 mi (1,057.07 km) |
| Celbridge to Oberschleissheim | 862.25 mi (1,387.66 km) |
| Celbridge to Oberstdorf | 843.82 mi (1,358.00 km) |
| Celbridge to Obertraubling | 862.06 mi (1,387.35 km) |
| Celbridge to Obertshausen | 694.32 mi (1,117.40 km) |
| Celbridge to Oberursel | 680.06 mi (1,094.46 km) |
| Celbridge to Ochsenfurt | 756.30 mi (1,217.15 km) |
| Celbridge to Ochsenhausen | 805.40 mi (1,296.17 km) |
| Celbridge to Ochtrup | 578.28 mi (930.64 km) |
| Celbridge to Odenthal | 598.93 mi (963.89 km) |
| Celbridge to Oelde | 624.17 mi (1,004.50 km) |
| Celbridge to Oelsnitz | 820.38 mi (1,320.28 km) |
| Celbridge to Oer-Erkenschwick | 590.86 mi (950.90 km) |
