| Horb am Neckar to Giugliano in Campania | 584.94 mi (941.38 km) |
| Horb am Neckar to Giulianova | 468.23 mi (753.55 km) |
| Horb am Neckar to Giussano | 191.29 mi (307.85 km) |
| Horb am Neckar to Goito | 239.68 mi (385.73 km) |
| Horb am Neckar to Gonzaga | 261.64 mi (421.07 km) |
| Horb am Neckar to Gorgonzola | 203.95 mi (328.23 km) |
| Horb am Neckar to Gorizia | 289.06 mi (465.20 km) |
| Horb am Neckar to Gragnano | 606.93 mi (976.76 km) |
| Horb am Neckar to Grammichele | 831.74 mi (1,338.55 km) |
| Horb am Neckar to Granarolo del l'Emilia | 299.37 mi (481.79 km) |
| Horb am Neckar to Gravina in Puglia | 648.98 mi (1,044.43 km) |
| Horb am Neckar to Grezzana | 230.11 mi (370.32 km) |
| Horb am Neckar to Gricignano d'Aversa | 580.43 mi (934.11 km) |
| Horb am Neckar to Grosseto | 409.21 mi (658.56 km) |
| Horb am Neckar to Grottaferrata | 499.05 mi (803.14 km) |
