| Seclin to Heckmondwike | 295.50 mi (475.56 km) |
| Seclin to Hednesford | 262.35 mi (422.21 km) |
| Seclin to Helensburgh | 494.95 mi (796.55 km) |
| Seclin to Hellesdon | 163.95 mi (263.85 km) |
| Seclin to Helston | 367.22 mi (590.98 km) |
| Seclin to Hemel Hempstead | 172.94 mi (278.31 km) |
| Seclin to Hemsworth | 281.55 mi (453.12 km) |
| Seclin to Hendon | 158.37 mi (254.87 km) |
| Seclin to Henley on Thames | 183.92 mi (295.99 km) |
| Seclin to Hereford | 269.07 mi (433.03 km) |
| Seclin to Herne Bay | 100.28 mi (161.38 km) |
| Seclin to Hersham | 159.65 mi (256.93 km) |
| Seclin to Hertford | 159.83 mi (257.22 km) |
| Seclin to Hessle | 263.92 mi (424.73 km) |
| Seclin to Heswall | 323.91 mi (521.28 km) |
