| Donostia to Grottaferrata | 752.20 mi (1,210.54 km) |
| Donostia to Grottaglie | 1,013.92 mi (1,631.74 km) |
| Donostia to Grottammare | 797.82 mi (1,283.97 km) |
| Donostia to Grugliasco | 488.31 mi (785.85 km) |
| Donostia to Grumo Appula | 967.64 mi (1,557.27 km) |
| Donostia to Grumo Nevano | 847.28 mi (1,363.57 km) |
| Donostia to Gualdo Tadino | 741.70 mi (1,193.65 km) |
| Donostia to Guardiagrele | 823.96 mi (1,326.04 km) |
| Donostia to Guastalla | 636.25 mi (1,023.94 km) |
| Donostia to Gubbio | 730.12 mi (1,175.02 km) |
| Donostia to Guspini | 608.30 mi (978.96 km) |
| Donostia to Gussago | 617.90 mi (994.42 km) |
| Donostia to Iesi | 762.81 mi (1,227.63 km) |
| Donostia to Iesolo | 736.54 mi (1,185.35 km) |
| Donostia to Iglesias | 611.05 mi (983.39 km) |
