| Troisdorf to Calafell | 715.91 mi (1,152.15 km) |
| Troisdorf to Calahorra | 729.62 mi (1,174.21 km) |
| Troisdorf to Calasparra | 971.23 mi (1,563.04 km) |
| Troisdorf to Calatayud | 776.72 mi (1,250.01 km) |
| Troisdorf to Caldas de Montbuy | 677.43 mi (1,090.22 km) |
| Troisdorf to Caldas de Reyes | 935.87 mi (1,506.15 km) |
| Troisdorf to Calella | 670.57 mi (1,079.18 km) |
| Troisdorf to Callosa de Segura | 961.01 mi (1,546.60 km) |
| Troisdorf to Calpe | 909.47 mi (1,463.65 km) |
| Troisdorf to Calvia | 809.22 mi (1,302.31 km) |
| Troisdorf to Camas | 1,130.80 mi (1,819.84 km) |
| Troisdorf to Cambados | 946.74 mi (1,523.63 km) |
| Troisdorf to Cambre | 892.99 mi (1,437.13 km) |
| Troisdorf to Cambrils | 733.96 mi (1,181.19 km) |
| Troisdorf to Campo de Criptana | 932.42 mi (1,500.58 km) |
