| Riesi to Oberkirch | 833.84 mi (1,341.93 km) |
| Riesi to Obernburg am Main | 901.66 mi (1,451.08 km) |
| Riesi to Obernkirchen | 1,062.85 mi (1,710.50 km) |
| Riesi to Oberschleissheim | 768.29 mi (1,236.44 km) |
| Riesi to Oberstdorf | 725.89 mi (1,168.21 km) |
| Riesi to Obertraubling | 812.87 mi (1,308.20 km) |
| Riesi to Obertshausen | 920.80 mi (1,481.88 km) |
| Riesi to Oberursel | 933.38 mi (1,502.13 km) |
| Riesi to Ochsenfurt | 877.54 mi (1,412.26 km) |
| Riesi to Ochsenhausen | 774.16 mi (1,245.90 km) |
| Riesi to Ochtrup | 1,083.89 mi (1,744.35 km) |
| Riesi to Odenthal | 1,009.72 mi (1,624.99 km) |
| Riesi to Oelde | 1,046.01 mi (1,683.39 km) |
| Riesi to Oelsnitz | 912.36 mi (1,468.30 km) |
| Riesi to Oer-Erkenschwick | 1,046.62 mi (1,684.36 km) |
