| Nashua to Cividale del Friuli | 3,987.63 mi (6,417.46 km) |
| Nashua to Civita Castellana | 4,078.95 mi (6,564.43 km) |
| Nashua to Civitanova Marche | 4,099.64 mi (6,597.73 km) |
| Nashua to Civitavecchia | 4,059.42 mi (6,533.01 km) |
| Nashua to Civitella in Val di Chiana | 4,008.82 mi (6,451.58 km) |
| Nashua to Clusone | 3,849.11 mi (6,194.55 km) |
| Nashua to Coccaglio | 3,860.89 mi (6,213.51 km) |
| Nashua to Codigoro | 3,976.35 mi (6,399.32 km) |
| Nashua to Codogno | 3,862.66 mi (6,216.35 km) |
| Nashua to Codroipo | 3,973.52 mi (6,394.76 km) |
| Nashua to Cogoleto | 3,842.77 mi (6,184.34 km) |
| Nashua to Colle di Val d'Elsa | 3,984.20 mi (6,411.96 km) |
| Nashua to Colle Salvetti | 3,949.10 mi (6,355.47 km) |
| Nashua to Collecchio | 3,898.29 mi (6,273.69 km) |
| Nashua to Colleferro | 4,125.93 mi (6,640.05 km) |
