| Seclin to Busto Garolfo | 438.53 mi (705.75 km) |
| Seclin to Cabras | 780.23 mi (1,255.65 km) |
| Seclin to Cadelbosco di Sopra | 532.09 mi (856.32 km) |
| Seclin to Cadoneghe | 541.14 mi (870.88 km) |
| Seclin to Cagli | 661.47 mi (1,064.54 km) |
| Seclin to Cagliari | 836.20 mi (1,345.73 km) |
| Seclin to Cairo Montenotte | 489.90 mi (788.41 km) |
| Seclin to Caivano | 855.40 mi (1,376.64 km) |
| Seclin to Calcinaia | 592.85 mi (954.10 km) |
| Seclin to Calcinato | 489.70 mi (788.10 km) |
| Seclin to Calderara di Reno | 563.54 mi (906.93 km) |
| Seclin to Caldogno | 518.66 mi (834.71 km) |
| Seclin to Calenzano | 598.44 mi (963.10 km) |
| Seclin to Calolziocorte | 440.92 mi (709.59 km) |
| Seclin to Caltagirone | 1,080.11 mi (1,738.27 km) |
