| Kaukauna to Oberkirch | 4,278.17 mi (6,885.05 km) |
| Kaukauna to Obernburg am Main | 4,263.32 mi (6,861.15 km) |
| Kaukauna to Obernkirchen | 4,164.63 mi (6,702.32 km) |
| Kaukauna to Oberschleissheim | 4,417.23 mi (7,108.85 km) |
| Kaukauna to Oberstdorf | 4,406.01 mi (7,090.78 km) |
| Kaukauna to Obertraubling | 4,408.13 mi (7,094.19 km) |
| Kaukauna to Obertshausen | 4,243.02 mi (6,828.48 km) |
| Kaukauna to Oberursel | 4,228.29 mi (6,804.77 km) |
| Kaukauna to Ochsenfurt | 4,304.32 mi (6,927.14 km) |
| Kaukauna to Ochsenhausen | 4,365.86 mi (7,026.18 km) |
| Kaukauna to Ochtrup | 4,099.88 mi (6,598.12 km) |
| Kaukauna to Odenthal | 4,142.93 mi (6,667.40 km) |
| Kaukauna to Oelde | 4,148.08 mi (6,675.69 km) |
| Kaukauna to Oelsnitz | 4,346.38 mi (6,994.82 km) |
| Kaukauna to Oer-Erkenschwick | 4,123.89 mi (6,636.77 km) |
