| Seclin to Acri | 1,000.88 mi (1,610.77 km) |
| Seclin to Adelfia | 935.15 mi (1,504.98 km) |
| Seclin to Adrano | 1,062.53 mi (1,709.98 km) |
| Seclin to Adria | 564.60 mi (908.64 km) |
| Seclin to Afragola | 857.78 mi (1,380.47 km) |
| Seclin to Agliana | 591.66 mi (952.18 km) |
| Seclin to Agrate Brianza | 450.06 mi (724.30 km) |
| Seclin to Agrigento | 1,051.92 mi (1,692.90 km) |
| Seclin to Agropoli | 909.94 mi (1,464.41 km) |
| Seclin to Ala | 494.39 mi (795.65 km) |
| Seclin to Alassio | 512.25 mi (824.39 km) |
| Seclin to Alatri | 782.96 mi (1,260.05 km) |
| Seclin to Alba | 466.20 mi (750.28 km) |
| Seclin to Albano Laziale | 762.74 mi (1,227.51 km) |
| Seclin to Albenga | 510.26 mi (821.18 km) |
