| Oconomowoc to Coudekerque-Branche | 4,034.59 mi (6,493.05 km) |
| Oconomowoc to Coueron | 4,009.89 mi (6,453.29 km) |
| Oconomowoc to Coulommiers | 4,141.12 mi (6,664.48 km) |
| Oconomowoc to Courbevoic | 4,106.16 mi (6,608.22 km) |
| Oconomowoc to Courcouronnes | 4,123.02 mi (6,635.36 km) |
| Oconomowoc to Cournon-d'Auvergne | 4,262.03 mi (6,859.08 km) |
| Oconomowoc to Courrieres | 4,075.71 mi (6,559.22 km) |
| Oconomowoc to Coutras | 4,153.82 mi (6,684.92 km) |
| Oconomowoc to Couzeix | 4,178.25 mi (6,724.24 km) |
| Oconomowoc to Cran-Gevrier | 4,370.74 mi (7,034.03 km) |
| Oconomowoc to Craponne | 4,322.64 mi (6,956.62 km) |
| Oconomowoc to Creil | 4,101.80 mi (6,601.21 km) |
| Oconomowoc to Crepy-en-Valois | 4,118.13 mi (6,627.48 km) |
| Oconomowoc to Crest | 4,374.91 mi (7,040.74 km) |
| Oconomowoc to Creteil | 4,118.15 mi (6,627.52 km) |
