| Hardenberg to Bumbesti-Jiu | 913.62 mi (1,470.33 km) |
| Hardenberg to Busteni | 985.76 mi (1,586.42 km) |
| Hardenberg to Buzau | 1,046.46 mi (1,684.12 km) |
| Hardenberg to Cajvana | 917.05 mi (1,475.85 km) |
| Hardenberg to Calafat | 953.40 mi (1,534.35 km) |
| Hardenberg to Calan | 875.26 mi (1,408.59 km) |
| Hardenberg to Calarasi | 1,106.65 mi (1,780.98 km) |
| Hardenberg to Campia Turzii | 875.28 mi (1,408.63 km) |
| Hardenberg to Campina | 1,005.39 mi (1,618.01 km) |
| Hardenberg to Campulung | 972.84 mi (1,565.64 km) |
| Hardenberg to Campulung Moldovenesc | 905.88 mi (1,457.88 km) |
| Hardenberg to Caracal | 997.79 mi (1,605.79 km) |
| Hardenberg to Caransebes | 859.79 mi (1,383.70 km) |
| Hardenberg to Carei | 776.75 mi (1,250.06 km) |
| Hardenberg to Cernavoda | 1,127.91 mi (1,815.20 km) |
