| Langenthal to Cernavoda | 992.91 mi (1,597.94 km) |
| Langenthal to Chitila | 893.21 mi (1,437.48 km) |
| Langenthal to Cisnadie | 784.37 mi (1,262.33 km) |
| Langenthal to Cluj-Napoca | 744.01 mi (1,197.37 km) |
| Langenthal to Codlea | 845.30 mi (1,360.38 km) |
| Langenthal to Comanesti | 882.07 mi (1,419.56 km) |
| Langenthal to Comarnic | 861.98 mi (1,387.22 km) |
| Langenthal to Constanta | 1,024.83 mi (1,649.31 km) |
| Langenthal to Corabia | 842.12 mi (1,355.26 km) |
| Langenthal to Costesti | 838.24 mi (1,349.01 km) |
| Langenthal to Covasna | 877.70 mi (1,412.53 km) |
| Langenthal to Craiova | 796.35 mi (1,281.60 km) |
| Langenthal to Cristuru Secuiesc | 817.49 mi (1,315.63 km) |
| Langenthal to Cugir | 745.38 mi (1,199.57 km) |
| Langenthal to Cumpana | 1,022.44 mi (1,645.45 km) |
