| Middlesbrough to Grottaferrata | 1,087.19 mi (1,749.66 km) |
| Middlesbrough to Grottaglie | 1,295.45 mi (2,084.83 km) |
| Middlesbrough to Grottammare | 1,050.77 mi (1,691.06 km) |
| Middlesbrough to Grugliasco | 764.16 mi (1,229.80 km) |
| Middlesbrough to Grumo Appula | 1,246.04 mi (2,005.30 km) |
| Middlesbrough to Grumo Nevano | 1,180.69 mi (1,900.14 km) |
| Middlesbrough to Gualdo Tadino | 1,005.94 mi (1,618.90 km) |
| Middlesbrough to Guardiagrele | 1,105.82 mi (1,779.65 km) |
| Middlesbrough to Guastalla | 850.75 mi (1,369.16 km) |
| Middlesbrough to Gubbio | 993.17 mi (1,598.36 km) |
| Middlesbrough to Guspini | 1,135.92 mi (1,828.09 km) |
| Middlesbrough to Gussago | 797.61 mi (1,283.63 km) |
| Middlesbrough to Iesi | 1,002.45 mi (1,613.29 km) |
| Middlesbrough to Iesolo | 874.27 mi (1,407.00 km) |
| Middlesbrough to Iglesias | 1,148.10 mi (1,847.69 km) |
