| Bad Neuenahr-Ahrweiler to Chitila | 970.47 mi (1,561.82 km) |
| Bad Neuenahr-Ahrweiler to Cisnadie | 851.21 mi (1,369.88 km) |
| Bad Neuenahr-Ahrweiler to Cluj-Napoca | 793.74 mi (1,277.41 km) |
| Bad Neuenahr-Ahrweiler to Codlea | 906.44 mi (1,458.77 km) |
| Bad Neuenahr-Ahrweiler to Comanesti | 926.90 mi (1,491.71 km) |
| Bad Neuenahr-Ahrweiler to Comarnic | 929.50 mi (1,495.89 km) |
| Bad Neuenahr-Ahrweiler to Constanta | 1,094.35 mi (1,761.18 km) |
| Bad Neuenahr-Ahrweiler to Corabia | 938.14 mi (1,509.79 km) |
| Bad Neuenahr-Ahrweiler to Costesti | 918.69 mi (1,478.49 km) |
| Bad Neuenahr-Ahrweiler to Covasna | 933.15 mi (1,501.76 km) |
| Bad Neuenahr-Ahrweiler to Craiova | 887.95 mi (1,429.02 km) |
| Bad Neuenahr-Ahrweiler to Cristuru Secuiesc | 870.17 mi (1,400.40 km) |
| Bad Neuenahr-Ahrweiler to Cugir | 813.70 mi (1,309.53 km) |
| Bad Neuenahr-Ahrweiler to Cumpana | 1,093.01 mi (1,759.03 km) |
| Bad Neuenahr-Ahrweiler to Curtea de Arges | 893.26 mi (1,437.56 km) |
