| Boulogne-sur-Mer to Galapagar | 751.38 mi (1,209.23 km) |
| Boulogne-sur-Mer to Galdacano | 558.71 mi (899.15 km) |
| Boulogne-sur-Mer to Gandia | 817.21 mi (1,315.17 km) |
| Boulogne-sur-Mer to Garrucha | 950.88 mi (1,530.30 km) |
| Boulogne-sur-Mer to Gava | 651.07 mi (1,047.79 km) |
| Boulogne-sur-Mer to Gelves | 998.72 mi (1,607.28 km) |
| Boulogne-sur-Mer to Getafe | 764.66 mi (1,230.60 km) |
| Boulogne-sur-Mer to Gibraleon | 1,014.57 mi (1,632.80 km) |
| Boulogne-sur-Mer to Gijon | 603.70 mi (971.55 km) |
| Boulogne-sur-Mer to Gines | 996.33 mi (1,603.44 km) |
| Boulogne-sur-Mer to Girona | 606.78 mi (976.52 km) |
| Boulogne-sur-Mer to Godella | 780.48 mi (1,256.06 km) |
| Boulogne-sur-Mer to Gondomar | 772.17 mi (1,242.69 km) |
| Boulogne-sur-Mer to Grado | 622.21 mi (1,001.34 km) |
| Boulogne-sur-Mer to Granada | 970.75 mi (1,562.28 km) |
