| Boulogne-sur-Mer to Giugliano in Campania | 905.73 mi (1,457.63 km) |
| Boulogne-sur-Mer to Giulianova | 801.11 mi (1,289.27 km) |
| Boulogne-sur-Mer to Giussano | 492.58 mi (792.74 km) |
| Boulogne-sur-Mer to Goito | 563.53 mi (906.91 km) |
| Boulogne-sur-Mer to Gonzaga | 583.51 mi (939.07 km) |
| Boulogne-sur-Mer to Gorgonzola | 507.07 mi (816.04 km) |
| Boulogne-sur-Mer to Gorizia | 642.00 mi (1,033.20 km) |
| Boulogne-sur-Mer to Gragnano | 928.85 mi (1,494.84 km) |
| Boulogne-sur-Mer to Grammichele | 1,132.50 mi (1,822.59 km) |
| Boulogne-sur-Mer to Granarolo del l'Emilia | 624.95 mi (1,005.76 km) |
| Boulogne-sur-Mer to Gravina in Puglia | 985.37 mi (1,585.80 km) |
| Boulogne-sur-Mer to Grezzana | 562.83 mi (905.78 km) |
| Boulogne-sur-Mer to Gricignano d'Aversa | 901.60 mi (1,450.99 km) |
| Boulogne-sur-Mer to Grosseto | 708.84 mi (1,140.77 km) |
| Boulogne-sur-Mer to Grottaferrata | 810.88 mi (1,304.99 km) |
