| Grangemouth to Cortona | 1,120.64 mi (1,803.49 km) |
| Grangemouth to Cosenza | 1,470.95 mi (2,367.26 km) |
| Grangemouth to Cossato | 886.33 mi (1,426.42 km) |
| Grangemouth to Costa Volpino | 922.30 mi (1,484.30 km) |
| Grangemouth to Creazzo | 978.26 mi (1,574.35 km) |
| Grangemouth to Crema | 937.38 mi (1,508.56 km) |
| Grangemouth to Cremona | 960.23 mi (1,545.34 km) |
| Grangemouth to Crevalcore | 1,014.66 mi (1,632.93 km) |
| Grangemouth to Crispiano | 1,424.22 mi (2,292.06 km) |
| Grangemouth to Crosia | 1,470.03 mi (2,365.79 km) |
| Grangemouth to Crotone | 1,508.25 mi (2,427.30 km) |
| Grangemouth to Cuneo | 942.80 mi (1,517.29 km) |
| Grangemouth to Cuorgne | 884.15 mi (1,422.89 km) |
| Grangemouth to Cusano Milanino | 913.49 mi (1,470.12 km) |
| Grangemouth to Cutro | 1,507.37 mi (2,425.87 km) |
