| Castro Valley to Grottaferrata | 6,248.39 mi (10,055.81 km) |
| Castro Valley to Grottaglie | 6,454.82 mi (10,388.03 km) |
| Castro Valley to Grottammare | 6,213.29 mi (9,999.33 km) |
| Castro Valley to Grugliasco | 5,915.05 mi (9,519.35 km) |
| Castro Valley to Grumo Appula | 6,406.37 mi (10,310.05 km) |
| Castro Valley to Grumo Nevano | 6,343.40 mi (10,208.72 km) |
| Castro Valley to Gualdo Tadino | 6,168.96 mi (9,927.99 km) |
| Castro Valley to Guardiagrele | 6,268.71 mi (10,088.51 km) |
| Castro Valley to Guastalla | 6,013.49 mi (9,677.77 km) |
| Castro Valley to Gubbio | 6,156.17 mi (9,907.40 km) |
| Castro Valley to Guspini | 6,252.14 mi (10,061.84 km) |
| Castro Valley to Gussago | 5,960.49 mi (9,592.48 km) |
| Castro Valley to Iesi | 6,165.12 mi (9,921.80 km) |
| Castro Valley to Iesolo | 6,033.67 mi (9,710.26 km) |
| Castro Valley to Iglesias | 6,260.90 mi (10,075.95 km) |
