| Boulogne-sur-Mer to Gavirate | 468.77 mi (754.41 km) |
| Boulogne-sur-Mer to Gavorrano | 694.34 mi (1,117.43 km) |
| Boulogne-sur-Mer to Gela | 1,130.76 mi (1,819.78 km) |
| Boulogne-sur-Mer to Gemona del Friuli | 609.17 mi (980.37 km) |
| Boulogne-sur-Mer to Genoa | 553.31 mi (890.47 km) |
| Boulogne-sur-Mer to Genzano di Roma | 816.30 mi (1,313.70 km) |
| Boulogne-sur-Mer to Gessate | 507.30 mi (816.41 km) |
| Boulogne-sur-Mer to Ghedi | 542.89 mi (873.70 km) |
| Boulogne-sur-Mer to Giarre | 1,117.46 mi (1,798.38 km) |
| Boulogne-sur-Mer to Giaveno | 473.95 mi (762.74 km) |
| Boulogne-sur-Mer to Giffoni Valle Piana | 941.14 mi (1,514.61 km) |
| Boulogne-sur-Mer to Ginosa | 1,013.35 mi (1,630.82 km) |
| Boulogne-sur-Mer to Gioia del Colle | 1,004.11 mi (1,615.95 km) |
| Boulogne-sur-Mer to Gioia Tauro | 1,098.62 mi (1,768.06 km) |
| Boulogne-sur-Mer to Giovinazzo | 975.13 mi (1,569.33 km) |
