| Renfrew to Oberkirch | 730.37 mi (1,175.42 km) |
| Renfrew to Obernburg am Main | 699.91 mi (1,126.39 km) |
| Renfrew to Obernkirchen | 600.45 mi (966.33 km) |
| Renfrew to Oberschleissheim | 855.13 mi (1,376.20 km) |
| Renfrew to Oberstdorf | 855.79 mi (1,377.26 km) |
| Renfrew to Obertraubling | 842.04 mi (1,355.13 km) |
| Renfrew to Obertshausen | 679.27 mi (1,093.18 km) |
| Renfrew to Oberursel | 664.51 mi (1,069.42 km) |
| Renfrew to Ochsenfurt | 739.58 mi (1,190.24 km) |
| Renfrew to Ochsenhausen | 811.56 mi (1,306.08 km) |
| Renfrew to Ochtrup | 533.00 mi (857.77 km) |
| Renfrew to Odenthal | 578.59 mi (931.15 km) |
| Renfrew to Oelde | 581.22 mi (935.39 km) |
| Renfrew to Oelsnitz | 780.20 mi (1,255.60 km) |
| Renfrew to Oer-Erkenschwick | 557.23 mi (896.78 km) |
