| Oconomowoc to Butzbach | 4,286.77 mi (6,898.90 km) |
| Oconomowoc to Buxtehude | 4,204.15 mi (6,765.93 km) |
| Oconomowoc to Cadolzburg | 4,406.15 mi (7,091.01 km) |
| Oconomowoc to Calbe | 4,337.77 mi (6,980.96 km) |
| Oconomowoc to Calw | 4,358.02 mi (7,013.56 km) |
| Oconomowoc to Castrop-Rauxel | 4,195.12 mi (6,751.39 km) |
| Oconomowoc to Celle | 4,250.50 mi (6,840.51 km) |
| Oconomowoc to Cham | 4,479.90 mi (7,209.70 km) |
| Oconomowoc to Chemnitz | 4,421.39 mi (7,115.53 km) |
| Oconomowoc to Clausthal-Zellerfeld | 4,291.81 mi (6,907.01 km) |
| Oconomowoc to Cloppenburg | 4,171.40 mi (6,713.22 km) |
| Oconomowoc to Coburg | 4,376.22 mi (7,042.85 km) |
| Oconomowoc to Coesfeld | 4,174.52 mi (6,718.25 km) |
| Oconomowoc to Cologne | 4,205.50 mi (6,768.10 km) |
| Oconomowoc to Coswig | 4,431.86 mi (7,132.39 km) |
