| Difficult Run to Giovinazzo | 4,707.28 mi (7,575.64 km) |
| Difficult Run to Giugliano in Campania | 4,608.28 mi (7,416.30 km) |
| Difficult Run to Giulianova | 4,531.49 mi (7,292.74 km) |
| Difficult Run to Giussano | 4,227.30 mi (6,803.18 km) |
| Difficult Run to Goito | 4,303.92 mi (6,926.49 km) |
| Difficult Run to Gonzaga | 4,320.28 mi (6,952.81 km) |
| Difficult Run to Gorgonzola | 4,240.49 mi (6,824.41 km) |
| Difficult Run to Gorizia | 4,405.43 mi (7,089.86 km) |
| Difficult Run to Gragnano | 4,631.13 mi (7,453.08 km) |
| Difficult Run to Grammichele | 4,767.49 mi (7,672.53 km) |
| Difficult Run to Granarolo del l'Emilia | 4,360.86 mi (7,018.12 km) |
| Difficult Run to Gravina in Puglia | 4,710.26 mi (7,580.42 km) |
| Difficult Run to Grezzana | 4,310.02 mi (6,936.31 km) |
| Difficult Run to Gricignano d'Aversa | 4,605.23 mi (7,411.40 km) |
| Difficult Run to Grosseto | 4,406.44 mi (7,091.48 km) |
