| Difficult Run to Fuente-Alamo de Murcia | 3,999.57 mi (6,436.69 km) |
| Difficult Run to Galapagar | 3,779.25 mi (6,082.11 km) |
| Difficult Run to Galdacano | 3,761.00 mi (6,052.74 km) |
| Difficult Run to Gandia | 4,010.08 mi (6,453.60 km) |
| Difficult Run to Garrucha | 3,985.95 mi (6,414.76 km) |
| Difficult Run to Gava | 4,041.68 mi (6,504.46 km) |
| Difficult Run to Gelves | 3,774.24 mi (6,074.06 km) |
| Difficult Run to Getafe | 3,799.92 mi (6,115.38 km) |
| Difficult Run to Gibraleon | 3,725.63 mi (5,995.82 km) |
| Difficult Run to Gijon | 3,620.28 mi (5,826.27 km) |
| Difficult Run to Gines | 3,769.60 mi (6,066.58 km) |
| Difficult Run to Girona | 4,058.68 mi (6,531.82 km) |
| Difficult Run to Godella | 3,982.17 mi (6,408.68 km) |
| Difficult Run to Gondomar | 3,510.64 mi (5,649.84 km) |
| Difficult Run to Grado | 3,606.42 mi (5,803.98 km) |
