| Seclin to Galapagar | 767.54 mi (1,235.24 km) |
| Seclin to Galdacano | 576.28 mi (927.43 km) |
| Seclin to Gandia | 815.38 mi (1,312.23 km) |
| Seclin to Garrucha | 953.93 mi (1,535.20 km) |
| Seclin to Gava | 640.38 mi (1,030.59 km) |
| Seclin to Gelves | 1,016.18 mi (1,635.39 km) |
| Seclin to Getafe | 779.21 mi (1,254.01 km) |
| Seclin to Gibraleon | 1,035.01 mi (1,665.68 km) |
| Seclin to Gijon | 634.63 mi (1,021.33 km) |
| Seclin to Gines | 1,014.08 mi (1,632.00 km) |
| Seclin to Girona | 591.87 mi (952.52 km) |
| Seclin to Godella | 780.06 mi (1,255.38 km) |
| Seclin to Gondomar | 808.22 mi (1,300.71 km) |
| Seclin to Grado | 653.98 mi (1,052.48 km) |
| Seclin to Granada | 980.08 mi (1,577.28 km) |
