| Santander to Grottaferrata | 844.18 mi (1,358.58 km) |
| Santander to Grottaglie | 1,106.00 mi (1,779.93 km) |
| Santander to Grottammare | 888.57 mi (1,430.02 km) |
| Santander to Grugliasco | 573.50 mi (922.96 km) |
| Santander to Grumo Appula | 1,059.62 mi (1,705.30 km) |
| Santander to Grumo Nevano | 939.42 mi (1,511.86 km) |
| Santander to Gualdo Tadino | 832.24 mi (1,339.36 km) |
| Santander to Guardiagrele | 915.51 mi (1,473.38 km) |
| Santander to Guastalla | 722.97 mi (1,163.51 km) |
| Santander to Gubbio | 820.51 mi (1,320.48 km) |
| Santander to Guspini | 697.69 mi (1,122.82 km) |
| Santander to Gussago | 702.06 mi (1,129.85 km) |
| Santander to Iesi | 852.84 mi (1,372.51 km) |
| Santander to Iesolo | 821.69 mi (1,322.38 km) |
| Santander to Iglesias | 699.87 mi (1,126.34 km) |
