| Oconomowoc to Castle Pines (Colorado) | 884.96 mi (1,424.21 km) |
| Oconomowoc to Castle Rock (Colorado) | 886.34 mi (1,426.43 km) |
| Oconomowoc to Castro Valley (California) | 1,792.37 mi (2,884.54 km) |
| Oconomowoc to Catalina Foothills (Arizona) | 1,426.44 mi (2,295.63 km) |
| Oconomowoc to Cataño (Puerto Rico) | 2,145.14 mi (3,452.27 km) |
| Oconomowoc to Cathedral City (California) | 1,633.02 mi (2,628.09 km) |
| Oconomowoc to Catonsville (Maryland) | 665.33 mi (1,070.75 km) |
| Oconomowoc to Cave Spring (Virginia) | 604.05 mi (972.12 km) |
| Oconomowoc to Cayce (South Carolina) | 749.12 mi (1,205.59 km) |
| Oconomowoc to Cayey (Puerto Rico) | 2,163.28 mi (3,481.46 km) |
| Oconomowoc to Cedar City (Utah) | 1,342.07 mi (2,159.85 km) |
| Oconomowoc to Cedar Falls (Iowa) | 204.61 mi (329.28 km) |
| Oconomowoc to Cedar Hill (Texas) | 860.04 mi (1,384.09 km) |
| Oconomowoc to Cedar Lake (Indiana) | 131.17 mi (211.09 km) |
| Oconomowoc to Cedar Mill (Oregon) | 1,691.23 mi (2,721.78 km) |
