| Holborn to Oberkirch | 417.95 mi (672.63 km) |
| Holborn to Obernburg am Main | 421.17 mi (677.80 km) |
| Holborn to Obernkirchen | 396.70 mi (638.43 km) |
| Holborn to Oberschleissheim | 566.14 mi (911.11 km) |
| Holborn to Oberstdorf | 545.56 mi (878.00 km) |
| Holborn to Obertraubling | 569.81 mi (917.03 km) |
| Holborn to Obertshausen | 403.17 mi (648.84 km) |
| Holborn to Oberursel | 389.52 mi (626.87 km) |
| Holborn to Ochsenfurt | 464.48 mi (747.52 km) |
| Holborn to Ochsenhausen | 507.47 mi (816.69 km) |
| Holborn to Ochtrup | 315.08 mi (507.07 km) |
| Holborn to Odenthal | 314.18 mi (505.63 km) |
| Holborn to Oelde | 354.52 mi (570.54 km) |
| Holborn to Oelsnitz | 539.09 mi (867.58 km) |
| Holborn to Oer-Erkenschwick | 316.17 mi (508.82 km) |
