| Great Falls to Cividale del Friuli | 5,159.22 mi (8,302.96 km) |
| Great Falls to Civita Castellana | 5,344.94 mi (8,601.85 km) |
| Great Falls to Civitanova Marche | 5,326.39 mi (8,572.00 km) |
| Great Falls to Civitavecchia | 5,337.95 mi (8,590.60 km) |
| Great Falls to Civitella in Val di Chiana | 5,261.50 mi (8,467.56 km) |
| Great Falls to Clusone | 5,072.79 mi (8,163.86 km) |
| Great Falls to Coccaglio | 5,091.26 mi (8,193.59 km) |
| Great Falls to Codigoro | 5,193.57 mi (8,358.25 km) |
| Great Falls to Codogno | 5,105.52 mi (8,216.54 km) |
| Great Falls to Codroipo | 5,154.40 mi (8,295.21 km) |
| Great Falls to Cogoleto | 5,116.42 mi (8,234.08 km) |
| Great Falls to Colle di Val d'Elsa | 5,245.28 mi (8,441.47 km) |
| Great Falls to Colle Salvetti | 5,214.89 mi (8,392.56 km) |
| Great Falls to Collecchio | 5,143.19 mi (8,277.17 km) |
| Great Falls to Colleferro | 5,394.66 mi (8,681.86 km) |
