| Twickenham to Cernavoda | 1,392.48 mi (2,240.99 km) |
| Twickenham to Chitila | 1,299.55 mi (2,091.42 km) |
| Twickenham to Cisnadie | 1,180.73 mi (1,900.20 km) |
| Twickenham to Cluj-Napoca | 1,123.50 mi (1,808.10 km) |
| Twickenham to Codlea | 1,236.20 mi (1,989.48 km) |
| Twickenham to Comanesti | 1,256.26 mi (2,021.75 km) |
| Twickenham to Comarnic | 1,259.11 mi (2,026.35 km) |
| Twickenham to Constanta | 1,424.04 mi (2,291.76 km) |
| Twickenham to Corabia | 1,264.64 mi (2,035.24 km) |
| Twickenham to Costesti | 1,247.34 mi (2,007.39 km) |
| Twickenham to Covasna | 1,262.92 mi (2,032.47 km) |
| Twickenham to Craiova | 1,214.99 mi (1,955.34 km) |
| Twickenham to Cristuru Secuiesc | 1,199.92 mi (1,931.09 km) |
| Twickenham to Cugir | 1,143.07 mi (1,839.59 km) |
| Twickenham to Cumpana | 1,422.66 mi (2,289.56 km) |
