| Manitowoc to Oberkirch | 4,264.78 mi (6,863.51 km) |
| Manitowoc to Obernburg am Main | 4,250.76 mi (6,840.94 km) |
| Manitowoc to Obernkirchen | 4,153.21 mi (6,683.95 km) |
| Manitowoc to Oberschleissheim | 4,404.50 mi (7,088.36 km) |
| Manitowoc to Oberstdorf | 4,392.61 mi (7,069.22 km) |
| Manitowoc to Obertraubling | 4,395.84 mi (7,074.43 km) |
| Manitowoc to Obertshausen | 4,230.50 mi (6,808.33 km) |
| Manitowoc to Oberursel | 4,215.78 mi (6,784.64 km) |
| Manitowoc to Ochsenfurt | 4,291.88 mi (6,907.11 km) |
| Manitowoc to Ochsenhausen | 4,352.68 mi (7,004.96 km) |
| Manitowoc to Ochtrup | 4,088.04 mi (6,579.06 km) |
| Manitowoc to Odenthal | 4,130.51 mi (6,647.41 km) |
| Manitowoc to Oelde | 4,136.26 mi (6,656.66 km) |
| Manitowoc to Oelsnitz | 4,334.75 mi (6,976.10 km) |
| Manitowoc to Oer-Erkenschwick | 4,111.79 mi (6,617.29 km) |
