| Grangemouth to Cernavoda | 1,599.50 mi (2,574.15 km) |
| Grangemouth to Chitila | 1,516.24 mi (2,440.16 km) |
| Grangemouth to Cisnadie | 1,394.23 mi (2,243.80 km) |
| Grangemouth to Cluj-Napoca | 1,326.80 mi (2,135.28 km) |
| Grangemouth to Codlea | 1,442.43 mi (2,321.37 km) |
| Grangemouth to Comanesti | 1,447.82 mi (2,330.05 km) |
| Grangemouth to Comarnic | 1,469.50 mi (2,364.93 km) |
| Grangemouth to Constanta | 1,629.56 mi (2,622.52 km) |
| Grangemouth to Corabia | 1,497.60 mi (2,410.15 km) |
| Grangemouth to Costesti | 1,468.64 mi (2,363.54 km) |
| Grangemouth to Covasna | 1,463.13 mi (2,354.68 km) |
| Grangemouth to Craiova | 1,446.21 mi (2,327.45 km) |
| Grangemouth to Cristuru Secuiesc | 1,401.11 mi (2,254.87 km) |
| Grangemouth to Cugir | 1,359.62 mi (2,188.10 km) |
| Grangemouth to Cumpana | 1,629.16 mi (2,621.89 km) |
