| Boulder to Fuente-Alamo de Murcia | 5,232.51 mi (8,420.90 km) |
| Boulder to Galapagar | 4,992.06 mi (8,033.94 km) |
| Boulder to Galdacano | 4,926.31 mi (7,928.13 km) |
| Boulder to Gandia | 5,219.55 mi (8,400.05 km) |
| Boulder to Garrucha | 5,230.44 mi (8,417.57 km) |
| Boulder to Gava | 5,202.22 mi (8,372.17 km) |
| Boulder to Gelves | 5,044.12 mi (8,117.72 km) |
| Boulder to Getafe | 5,014.84 mi (8,070.60 km) |
| Boulder to Gibraleon | 5,000.87 mi (8,048.12 km) |
| Boulder to Gijon | 4,799.33 mi (7,723.77 km) |
| Boulder to Gines | 5,039.16 mi (8,109.74 km) |
| Boulder to Girona | 5,203.21 mi (8,373.76 km) |
| Boulder to Godella | 5,185.59 mi (8,345.40 km) |
| Boulder to Gondomar | 4,730.63 mi (7,613.21 km) |
| Boulder to Grado | 4,790.12 mi (7,708.96 km) |
