| Difficult Run to Grottaferrata | 4,509.97 mi (7,258.09 km) |
| Difficult Run to Grottaglie | 4,765.48 mi (7,669.30 km) |
| Difficult Run to Grottammare | 4,519.26 mi (7,273.05 km) |
| Difficult Run to Grugliasco | 4,176.60 mi (6,721.59 km) |
| Difficult Run to Grumo Appula | 4,715.05 mi (7,588.13 km) |
| Difficult Run to Grumo Nevano | 4,611.37 mi (7,421.28 km) |
| Difficult Run to Gualdo Tadino | 4,463.75 mi (7,183.72 km) |
| Difficult Run to Guardiagrele | 4,562.93 mi (7,343.32 km) |
| Difficult Run to Guastalla | 4,314.95 mi (6,944.24 km) |
| Difficult Run to Gubbio | 4,450.28 mi (7,162.03 km) |
| Difficult Run to Guspini | 4,406.84 mi (7,092.13 km) |
| Difficult Run to Gussago | 4,270.39 mi (6,872.53 km) |
| Difficult Run to Iesi | 4,473.26 mi (7,199.02 km) |
| Difficult Run to Iesolo | 4,378.38 mi (7,046.32 km) |
| Difficult Run to Iglesias | 4,409.73 mi (7,096.78 km) |
