| Rancho Cucamonga to Grottaferrata | 6,316.89 mi (10,166.05 km) |
| Rancho Cucamonga to Grottaglie | 6,536.63 mi (10,519.70 km) |
| Rancho Cucamonga to Grottammare | 6,290.36 mi (10,123.36 km) |
| Rancho Cucamonga to Grugliasco | 5,978.34 mi (9,621.21 km) |
| Rancho Cucamonga to Grumo Appula | 6,487.02 mi (10,439.85 km) |
| Rancho Cucamonga to Grumo Nevano | 6,414.69 mi (10,323.45 km) |
| Rancho Cucamonga to Gualdo Tadino | 6,243.06 mi (10,047.24 km) |
| Rancho Cucamonga to Guardiagrele | 6,344.26 mi (10,210.09 km) |
| Rancho Cucamonga to Guastalla | 6,086.45 mi (9,795.20 km) |
| Rancho Cucamonga to Gubbio | 6,229.93 mi (10,026.10 km) |
| Rancho Cucamonga to Guspini | 6,297.53 mi (10,134.90 km) |
| Rancho Cucamonga to Gussago | 6,034.29 mi (9,711.25 km) |
| Rancho Cucamonga to Iesi | 6,241.86 mi (10,045.30 km) |
| Rancho Cucamonga to Iesolo | 6,115.55 mi (9,842.02 km) |
| Rancho Cucamonga to Iglesias | 6,305.09 mi (10,147.07 km) |
