| Lockport to Cividale del Friuli | 4,695.62 mi (7,556.88 km) |
| Lockport to Civita Castellana | 4,817.74 mi (7,753.40 km) |
| Lockport to Civitanova Marche | 4,826.97 mi (7,768.26 km) |
| Lockport to Civitavecchia | 4,801.60 mi (7,727.43 km) |
| Lockport to Civitella in Val di Chiana | 4,742.39 mi (7,632.14 km) |
| Lockport to Clusone | 4,570.76 mi (7,355.93 km) |
| Lockport to Coccaglio | 4,584.86 mi (7,378.62 km) |
| Lockport to Codigoro | 4,698.45 mi (7,561.43 km) |
| Lockport to Codogno | 4,590.53 mi (7,387.75 km) |
| Lockport to Codroipo | 4,684.18 mi (7,538.45 km) |
| Lockport to Cogoleto | 4,579.69 mi (7,370.30 km) |
| Lockport to Colle di Val d'Elsa | 4,719.87 mi (7,595.89 km) |
| Lockport to Colle Salvetti | 4,685.56 mi (7,540.68 km) |
| Lockport to Collecchio | 4,627.46 mi (7,447.18 km) |
| Lockport to Colleferro | 4,866.34 mi (7,831.62 km) |
