| Grangemouth to Collegno | 901.09 mi (1,450.16 km) |
| Grangemouth to Cologno al Serio | 925.39 mi (1,489.27 km) |
| Grangemouth to Cologno Monzese | 917.24 mi (1,476.16 km) |
| Grangemouth to Colorno | 981.20 mi (1,579.09 km) |
| Grangemouth to Comacchio | 1,044.85 mi (1,681.53 km) |
| Grangemouth to Comiso | 1,568.50 mi (2,524.26 km) |
| Grangemouth to Como | 895.88 mi (1,441.78 km) |
| Grangemouth to Concordia Sagittaria | 1,006.28 mi (1,619.46 km) |
| Grangemouth to Concorezzo | 915.24 mi (1,472.94 km) |
| Grangemouth to Conegliano | 983.06 mi (1,582.09 km) |
| Grangemouth to Conselice | 1,045.17 mi (1,682.03 km) |
| Grangemouth to Conselve | 1,006.00 mi (1,619.00 km) |
| Grangemouth to Conversano | 1,399.93 mi (2,252.97 km) |
| Grangemouth to Copertino | 1,467.62 mi (2,361.91 km) |
| Grangemouth to Copparo | 1,023.60 mi (1,647.32 km) |
