| Ashtabula to Cividale del Friuli | 4,401.87 mi (7,084.12 km) |
| Ashtabula to Civita Castellana | 4,509.33 mi (7,257.06 km) |
| Ashtabula to Civitanova Marche | 4,524.16 mi (7,280.94 km) |
| Ashtabula to Civitavecchia | 4,491.50 mi (7,228.37 km) |
| Ashtabula to Civitella in Val di Chiana | 4,436.39 mi (7,139.68 km) |
| Ashtabula to Clusone | 4,270.19 mi (6,872.21 km) |
| Ashtabula to Coccaglio | 4,283.20 mi (6,893.15 km) |
| Ashtabula to Codigoro | 4,397.93 mi (7,077.78 km) |
| Ashtabula to Codogno | 4,287.00 mi (6,899.26 km) |
| Ashtabula to Codroipo | 4,389.12 mi (7,063.61 km) |
| Ashtabula to Cogoleto | 4,271.76 mi (6,874.74 km) |
| Ashtabula to Colle di Val d'Elsa | 4,412.81 mi (7,101.73 km) |
| Ashtabula to Colle Salvetti | 4,378.05 mi (7,045.79 km) |
| Ashtabula to Collecchio | 4,323.38 mi (6,957.80 km) |
| Ashtabula to Colleferro | 4,557.22 mi (7,334.13 km) |
