| Seclin to Casandrino | 854.84 mi (1,375.73 km) |
| Seclin to Casapulla | 848.34 mi (1,365.26 km) |
| Seclin to Casarano | 1,031.14 mi (1,659.46 km) |
| Seclin to Casatenovo | 442.68 mi (712.42 km) |
| Seclin to Casciana Terme | 601.82 mi (968.53 km) |
| Seclin to Cascina | 590.98 mi (951.09 km) |
| Seclin to Caselle Torinese | 428.18 mi (689.09 km) |
| Seclin to Caserta | 849.86 mi (1,367.71 km) |
| Seclin to Casier | 544.78 mi (876.74 km) |
| Seclin to Casorate Primo | 455.19 mi (732.55 km) |
| Seclin to Casoria | 858.22 mi (1,381.17 km) |
| Seclin to Cassano al Ionio | 982.99 mi (1,581.97 km) |
| Seclin to Cassano d'Adda | 457.77 mi (736.71 km) |
| Seclin to Cassano delle Murge | 937.93 mi (1,509.46 km) |
| Seclin to Cassina de' Pecchi | 454.19 mi (730.95 km) |
