| Hamm to Bumbesti-Jiu | 840.70 mi (1,352.97 km) |
| Hamm to Busteni | 915.75 mi (1,473.76 km) |
| Hamm to Buzau | 977.32 mi (1,572.85 km) |
| Hamm to Cajvana | 853.96 mi (1,374.32 km) |
| Hamm to Calafat | 878.05 mi (1,413.08 km) |
| Hamm to Calan | 803.06 mi (1,292.40 km) |
| Hamm to Calarasi | 1,036.11 mi (1,667.46 km) |
| Hamm to Campia Turzii | 806.12 mi (1,297.33 km) |
| Hamm to Campina | 934.99 mi (1,504.73 km) |
| Hamm to Campulung | 901.97 mi (1,451.58 km) |
| Hamm to Campulung Moldovenesc | 841.73 mi (1,354.63 km) |
| Hamm to Caracal | 924.00 mi (1,487.03 km) |
| Hamm to Caransebes | 786.04 mi (1,265.01 km) |
| Hamm to Carei | 709.24 mi (1,141.41 km) |
| Hamm to Cernavoda | 1,058.38 mi (1,703.30 km) |
