| Mason City to Grottaferrata | 4,983.26 mi (8,019.78 km) |
| Mason City to Grottaglie | 5,221.94 mi (8,403.90 km) |
| Mason City to Grottammare | 4,971.83 mi (8,001.38 km) |
| Mason City to Grugliasco | 4,641.82 mi (7,470.29 km) |
| Mason City to Grumo Appula | 5,171.19 mi (8,322.23 km) |
| Mason City to Grumo Nevano | 5,084.04 mi (8,181.97 km) |
| Mason City to Gualdo Tadino | 4,920.20 mi (7,918.30 km) |
| Mason City to Guardiagrele | 5,022.09 mi (8,082.28 km) |
| Mason City to Guastalla | 4,764.48 mi (7,667.69 km) |
| Mason City to Gubbio | 4,906.72 mi (7,896.60 km) |
| Mason City to Guspini | 4,929.20 mi (7,932.78 km) |
| Mason City to Gussago | 4,714.75 mi (7,587.66 km) |
| Mason City to Iesi | 4,923.65 mi (7,923.85 km) |
| Mason City to Iesolo | 4,809.08 mi (7,739.46 km) |
| Mason City to Iglesias | 4,935.02 mi (7,942.14 km) |
