| Billings to Cividale del Friuli | 5,175.70 mi (8,329.49 km) |
| Billings to Civita Castellana | 5,352.43 mi (8,613.90 km) |
| Billings to Civitanova Marche | 5,338.20 mi (8,591.01 km) |
| Billings to Civitavecchia | 5,343.92 mi (8,600.21 km) |
| Billings to Civitella in Val di Chiana | 5,269.81 mi (8,480.94 km) |
| Billings to Clusone | 5,082.73 mi (8,179.86 km) |
| Billings to Coccaglio | 5,100.62 mi (8,208.65 km) |
| Billings to Codigoro | 5,205.31 mi (8,377.14 km) |
| Billings to Codogno | 5,113.60 mi (8,229.54 km) |
| Billings to Codroipo | 5,169.82 mi (8,320.02 km) |
| Billings to Cogoleto | 5,121.09 mi (8,241.59 km) |
| Billings to Colle di Val d'Elsa | 5,252.50 mi (8,453.08 km) |
| Billings to Colle Salvetti | 5,221.31 mi (8,402.88 km) |
| Billings to Collecchio | 5,151.37 mi (8,290.33 km) |
| Billings to Colleferro | 5,402.24 mi (8,694.06 km) |
