| Blace to Oberkirch | 729.29 mi (1,173.68 km) |
| Blace to Obernburg am Main | 731.64 mi (1,177.46 km) |
| Blace to Obernkirchen | 836.69 mi (1,346.52 km) |
| Blace to Oberschleissheim | 579.60 mi (932.78 km) |
| Blace to Oberstdorf | 604.67 mi (973.12 km) |
| Blace to Obertraubling | 586.10 mi (943.23 km) |
| Blace to Obertshausen | 751.72 mi (1,209.78 km) |
| Blace to Oberursel | 766.41 mi (1,233.41 km) |
| Blace to Ochsenfurt | 690.14 mi (1,110.67 km) |
| Blace to Ochsenhausen | 638.28 mi (1,027.21 km) |
| Blace to Ochtrup | 896.09 mi (1,442.11 km) |
| Blace to Odenthal | 851.45 mi (1,370.27 km) |
| Blace to Oelde | 848.13 mi (1,364.93 km) |
| Blace to Oelsnitz | 653.28 mi (1,051.35 km) |
| Blace to Oer-Erkenschwick | 870.64 mi (1,401.16 km) |
