| Groningen to Calafell | 862.21 mi (1,387.59 km) |
| Groningen to Calahorra | 850.68 mi (1,369.04 km) |
| Groningen to Calasparra | 1,107.79 mi (1,782.82 km) |
| Groningen to Calatayud | 904.12 mi (1,455.05 km) |
| Groningen to Caldas de Montbuy | 825.96 mi (1,329.26 km) |
| Groningen to Caldas de Reyes | 1,012.64 mi (1,629.69 km) |
| Groningen to Calella | 821.65 mi (1,322.32 km) |
| Groningen to Callosa de Segura | 1,101.69 mi (1,772.99 km) |
| Groningen to Calpe | 1,053.38 mi (1,695.26 km) |
| Groningen to Calvia | 962.45 mi (1,548.91 km) |
| Groningen to Camas | 1,248.33 mi (2,009.00 km) |
| Groningen to Cambados | 1,023.32 mi (1,646.87 km) |
| Groningen to Cambre | 966.39 mi (1,555.25 km) |
| Groningen to Cambrils | 877.84 mi (1,412.75 km) |
| Groningen to Campo de Criptana | 1,058.41 mi (1,703.34 km) |
