| Koper to Giovinazzo | 335.70 mi (540.26 km) |
| Koper to Giugliano in Campania | 319.93 mi (514.87 km) |
| Koper to Giulianova | 193.76 mi (311.83 km) |
| Koper to Giussano | 218.46 mi (351.58 km) |
| Koper to Goito | 150.20 mi (241.72 km) |
| Koper to Gonzaga | 147.79 mi (237.85 km) |
| Koper to Gorgonzola | 209.68 mi (337.44 km) |
| Koper to Gorizia | 27.07 mi (43.57 km) |
| Koper to Gragnano | 337.71 mi (543.48 km) |
| Koper to Grammichele | 577.80 mi (929.88 km) |
| Koper to Granarolo del l'Emilia | 131.13 mi (211.03 km) |
| Koper to Gravina in Puglia | 353.82 mi (569.43 km) |
| Koper to Grezzana | 131.50 mi (211.62 km) |
| Koper to Gricignano d'Aversa | 315.19 mi (507.24 km) |
| Koper to Grosseto | 232.39 mi (374.00 km) |
