| Heidelberg to Grottaglie | 746.07 mi (1,200.68 km) |
| Heidelberg to Grottammare | 507.47 mi (816.70 km) |
| Heidelberg to Grugliasco | 305.17 mi (491.12 km) |
| Heidelberg to Grumo Appula | 697.57 mi (1,122.63 km) |
| Heidelberg to Grumo Nevano | 645.04 mi (1,038.09 km) |
| Heidelberg to Gualdo Tadino | 469.05 mi (754.87 km) |
| Heidelberg to Guardiagrele | 564.25 mi (908.08 km) |
| Heidelberg to Guastalla | 324.10 mi (521.59 km) |
| Heidelberg to Gubbio | 457.42 mi (736.15 km) |
| Heidelberg to Guspini | 682.89 mi (1,099.00 km) |
| Heidelberg to Gussago | 272.05 mi (437.82 km) |
| Heidelberg to Iesi | 460.34 mi (740.85 km) |
| Heidelberg to Iesolo | 324.94 mi (522.95 km) |
| Heidelberg to Iglesias | 697.90 mi (1,123.16 km) |
| Heidelberg to Imola | 377.34 mi (607.27 km) |
