| Oconomowoc to Cividale del Friuli | 4,642.34 mi (7,471.12 km) |
| Oconomowoc to Civita Castellana | 4,770.52 mi (7,677.41 km) |
| Oconomowoc to Civitanova Marche | 4,777.28 mi (7,688.29 km) |
| Oconomowoc to Civitavecchia | 4,755.16 mi (7,652.70 km) |
| Oconomowoc to Civitella in Val di Chiana | 4,694.17 mi (7,554.54 km) |
| Oconomowoc to Clusone | 4,520.41 mi (7,274.89 km) |
| Oconomowoc to Coccaglio | 4,534.94 mi (7,298.29 km) |
| Oconomowoc to Codigoro | 4,647.93 mi (7,480.13 km) |
| Oconomowoc to Codogno | 4,541.41 mi (7,308.69 km) |
| Oconomowoc to Codroipo | 4,631.42 mi (7,453.56 km) |
| Oconomowoc to Cogoleto | 4,532.52 mi (7,294.38 km) |
| Oconomowoc to Colle di Val d'Elsa | 4,672.15 mi (7,519.09 km) |
| Oconomowoc to Colle Salvetti | 4,638.08 mi (7,464.27 km) |
| Oconomowoc to Collecchio | 4,578.54 mi (7,368.44 km) |
| Oconomowoc to Colleferro | 4,819.38 mi (7,756.05 km) |
