| Kaukauna to Oerlinghausen | 4,160.87 mi (6,696.28 km) |
| Kaukauna to Oestrich-Winkel | 4,215.71 mi (6,784.53 km) |
| Kaukauna to Offenburg | 4,275.35 mi (6,880.51 km) |
| Kaukauna to Oftersheim | 4,262.36 mi (6,859.61 km) |
| Kaukauna to Ohrdruf | 4,279.14 mi (6,886.61 km) |
| Kaukauna to Ohringen | 4,302.55 mi (6,924.29 km) |
| Kaukauna to Olbernhau | 4,376.10 mi (7,042.66 km) |
| Kaukauna to Olching | 4,410.33 mi (7,097.73 km) |
| Kaukauna to Oldenburg | 4,099.02 mi (6,596.73 km) |
| Kaukauna to Oldenburg in Holstein | 4,143.21 mi (6,667.86 km) |
| Kaukauna to Olfen | 4,125.67 mi (6,639.63 km) |
| Kaukauna to Olpe | 4,169.16 mi (6,709.62 km) |
| Kaukauna to Olsberg | 4,178.95 mi (6,725.38 km) |
| Kaukauna to Oranienburg | 4,284.34 mi (6,894.98 km) |
| Kaukauna to Ortenberg | 4,239.23 mi (6,822.38 km) |
