| Seclin to Cesky Tesin | 691.50 mi (1,112.86 km) |
| Seclin to Cheb | 413.15 mi (664.89 km) |
| Seclin to Chocen | 583.05 mi (938.34 km) |
| Seclin to Chodov | 428.11 mi (688.97 km) |
| Seclin to Chomutov | 456.13 mi (734.07 km) |
| Seclin to Chotebor | 562.06 mi (904.55 km) |
| Seclin to Chrudim | 564.83 mi (909.01 km) |
| Seclin to Decin | 488.87 mi (786.76 km) |
| Seclin to Dobris | 495.33 mi (797.15 km) |
| Seclin to Domazlice | 445.90 mi (717.60 km) |
| Seclin to Duchcov | 469.85 mi (756.14 km) |
| Seclin to Dvur Kralove nad Labem | 561.26 mi (903.26 km) |
| Seclin to Frenstat pod Radhostem | 675.90 mi (1,087.75 km) |
| Seclin to Frydek-Mistek | 680.18 mi (1,094.65 km) |
| Seclin to Frydlant nad Ostravici | 681.82 mi (1,097.29 km) |
