| Groningen to Castrovillari | 1,030.81 mi (1,658.93 km) |
| Groningen to Catania | 1,160.13 mi (1,867.05 km) |
| Groningen to Catanzaro | 1,097.49 mi (1,766.24 km) |
| Groningen to Cattolica | 697.85 mi (1,123.09 km) |
| Groningen to Cava de' Tirreni | 944.61 mi (1,520.20 km) |
| Groningen to Cavallino | 1,044.68 mi (1,681.25 km) |
| Groningen to Cavarzere | 610.86 mi (983.09 km) |
| Groningen to Cave | 841.01 mi (1,353.47 km) |
| Groningen to Cavriago | 615.10 mi (989.91 km) |
| Groningen to Cavriglia | 706.76 mi (1,137.42 km) |
| Groningen to Cazzago San Martino | 549.81 mi (884.83 km) |
| Groningen to Ceccano | 863.98 mi (1,390.44 km) |
| Groningen to Cecina | 707.46 mi (1,138.54 km) |
| Groningen to Cefalu | 1,107.65 mi (1,782.60 km) |
| Groningen to Ceglie Messapico | 1,007.38 mi (1,621.22 km) |
