| Howard to Cividale del Friuli | 4,559.15 mi (7,337.25 km) |
| Howard to Civita Castellana | 4,691.45 mi (7,550.15 km) |
| Howard to Civitanova Marche | 4,696.48 mi (7,558.26 km) |
| Howard to Civitavecchia | 4,676.65 mi (7,526.34 km) |
| Howard to Civitella in Val di Chiana | 4,614.43 mi (7,426.21 km) |
| Howard to Clusone | 4,439.26 mi (7,144.29 km) |
| Howard to Coccaglio | 4,454.09 mi (7,168.17 km) |
| Howard to Codigoro | 4,566.62 mi (7,349.27 km) |
| Howard to Codogno | 4,461.10 mi (7,179.45 km) |
| Howard to Codroipo | 4,548.60 mi (7,320.27 km) |
| Howard to Cogoleto | 4,453.57 mi (7,167.33 km) |
| Howard to Colle di Val d'Elsa | 4,592.76 mi (7,391.34 km) |
| Howard to Colle Salvetti | 4,558.88 mi (7,336.80 km) |
| Howard to Collecchio | 4,498.35 mi (7,239.40 km) |
| Howard to Colleferro | 4,740.48 mi (7,629.07 km) |
