| Rietberg to Calafell | 800.96 mi (1,289.02 km) |
| Rietberg to Calahorra | 817.16 mi (1,315.09 km) |
| Rietberg to Calasparra | 1,057.86 mi (1,702.45 km) |
| Rietberg to Calatayud | 864.20 mi (1,390.80 km) |
| Rietberg to Caldas de Montbuy | 761.92 mi (1,226.19 km) |
| Rietberg to Caldas de Reyes | 1,018.47 mi (1,639.08 km) |
| Rietberg to Calella | 754.22 mi (1,213.79 km) |
| Rietberg to Callosa de Segura | 1,047.00 mi (1,684.98 km) |
| Rietberg to Calpe | 994.84 mi (1,601.03 km) |
| Rietberg to Calvia | 891.68 mi (1,435.03 km) |
| Rietberg to Camas | 1,218.33 mi (1,960.71 km) |
| Rietberg to Cambados | 1,029.32 mi (1,656.53 km) |
| Rietberg to Cambre | 974.83 mi (1,568.84 km) |
| Rietberg to Cambrils | 819.56 mi (1,318.96 km) |
| Rietberg to Campo de Criptana | 1,019.91 mi (1,641.38 km) |
