| Grefrath to Bumbesti-Jiu | 888.90 mi (1,430.55 km) |
| Grefrath to Busteni | 967.69 mi (1,557.34 km) |
| Grefrath to Buzau | 1,030.12 mi (1,657.81 km) |
| Grefrath to Cajvana | 912.35 mi (1,468.29 km) |
| Grefrath to Calafat | 921.84 mi (1,483.56 km) |
| Grefrath to Calan | 852.44 mi (1,371.87 km) |
| Grefrath to Calarasi | 1,087.19 mi (1,749.66 km) |
| Grefrath to Campia Turzii | 859.26 mi (1,382.85 km) |
| Grefrath to Campina | 986.43 mi (1,587.50 km) |
| Grefrath to Campulung | 952.88 mi (1,533.51 km) |
| Grefrath to Campulung Moldovenesc | 899.34 mi (1,447.35 km) |
| Grefrath to Caracal | 970.61 mi (1,562.05 km) |
| Grefrath to Caransebes | 833.08 mi (1,340.71 km) |
| Grefrath to Carei | 764.32 mi (1,230.05 km) |
| Grefrath to Cernavoda | 1,110.61 mi (1,787.36 km) |
