| Hamm to Chitila | 969.97 mi (1,561.01 km) |
| Hamm to Cisnadie | 848.80 mi (1,366.01 km) |
| Hamm to Cluj-Napoca | 786.24 mi (1,265.33 km) |
| Hamm to Codlea | 900.96 mi (1,449.95 km) |
| Hamm to Comanesti | 915.14 mi (1,472.77 km) |
| Hamm to Comarnic | 926.00 mi (1,490.26 km) |
| Hamm to Constanta | 1,089.38 mi (1,753.19 km) |
| Hamm to Corabia | 945.16 mi (1,521.10 km) |
| Hamm to Costesti | 920.16 mi (1,480.86 km) |
| Hamm to Covasna | 925.16 mi (1,488.90 km) |
| Hamm to Craiova | 894.10 mi (1,438.91 km) |
| Hamm to Cristuru Secuiesc | 862.22 mi (1,387.61 km) |
| Hamm to Cugir | 812.58 mi (1,307.73 km) |
| Hamm to Cumpana | 1,088.45 mi (1,751.70 km) |
| Hamm to Curtea de Arges | 892.74 mi (1,436.72 km) |
