| Isabela to Cividale del Friuli | 4,854.88 mi (7,813.18 km) |
| Isabela to Civita Castellana | 4,835.89 mi (7,782.61 km) |
| Isabela to Civitanova Marche | 4,893.43 mi (7,875.21 km) |
| Isabela to Civitavecchia | 4,806.56 mi (7,735.41 km) |
| Isabela to Civitella in Val di Chiana | 4,791.90 mi (7,711.82 km) |
| Isabela to Clusone | 4,689.80 mi (7,547.51 km) |
| Isabela to Coccaglio | 4,692.80 mi (7,552.34 km) |
| Isabela to Codigoro | 4,801.05 mi (7,726.55 km) |
| Isabela to Codogno | 4,681.67 mi (7,534.41 km) |
| Isabela to Codroipo | 4,834.29 mi (7,780.04 km) |
| Isabela to Cogoleto | 4,633.66 mi (7,457.16 km) |
| Isabela to Colle di Val d'Elsa | 4,762.91 mi (7,665.16 km) |
| Isabela to Colle Salvetti | 4,729.12 mi (7,610.78 km) |
| Isabela to Collecchio | 4,708.86 mi (7,578.17 km) |
| Isabela to Colleferro | 4,871.83 mi (7,840.46 km) |
