| Big Spring to Cividale del Friuli | 5,673.07 mi (9,129.92 km) |
| Big Spring to Civita Castellana | 5,799.49 mi (9,333.38 km) |
| Big Spring to Civitanova Marche | 5,807.44 mi (9,346.17 km) |
| Big Spring to Civitavecchia | 5,783.63 mi (9,307.86 km) |
| Big Spring to Civitella in Val di Chiana | 5,723.69 mi (9,211.39 km) |
| Big Spring to Clusone | 5,550.76 mi (8,933.08 km) |
| Big Spring to Coccaglio | 5,565.16 mi (8,956.26 km) |
| Big Spring to Codigoro | 5,678.34 mi (9,138.40 km) |
| Big Spring to Codogno | 5,571.33 mi (8,966.19 km) |
| Big Spring to Codroipo | 5,662.15 mi (9,112.36 km) |
| Big Spring to Cogoleto | 5,561.44 mi (8,950.28 km) |
| Big Spring to Colle di Val d'Elsa | 5,701.40 mi (9,175.52 km) |
| Big Spring to Colle Salvetti | 5,667.20 mi (9,120.47 km) |
| Big Spring to Collecchio | 5,608.38 mi (9,025.81 km) |
| Big Spring to Colleferro | 5,848.20 mi (9,411.77 km) |
