| Grangemouth to Cividale del Friuli | 1,006.75 mi (1,620.20 km) |
| Grangemouth to Civita Castellana | 1,189.30 mi (1,913.99 km) |
| Grangemouth to Civitanova Marche | 1,168.34 mi (1,880.27 km) |
| Grangemouth to Civitavecchia | 1,184.79 mi (1,906.74 km) |
| Grangemouth to Civitella in Val di Chiana | 1,105.06 mi (1,778.42 km) |
| Grangemouth to Clusone | 915.19 mi (1,472.85 km) |
| Grangemouth to Coccaglio | 934.11 mi (1,503.31 km) |
| Grangemouth to Codigoro | 1,035.48 mi (1,666.45 km) |
| Grangemouth to Codogno | 949.89 mi (1,528.71 km) |
| Grangemouth to Codroipo | 999.84 mi (1,609.08 km) |
| Grangemouth to Cogoleto | 968.35 mi (1,558.40 km) |
| Grangemouth to Colle di Val d'Elsa | 1,090.42 mi (1,754.85 km) |
| Grangemouth to Colle Salvetti | 1,061.62 mi (1,708.51 km) |
| Grangemouth to Collecchio | 987.28 mi (1,588.88 km) |
| Grangemouth to Colleferro | 1,238.73 mi (1,993.55 km) |
