| Houghton le Spring to Grottaferrata | 1,107.03 mi (1,781.60 km) |
| Houghton le Spring to Grottaglie | 1,314.42 mi (2,115.35 km) |
| Houghton le Spring to Grottammare | 1,070.08 mi (1,722.12 km) |
| Houghton le Spring to Grugliasco | 784.48 mi (1,262.49 km) |
| Houghton le Spring to Grumo Appula | 1,265.08 mi (2,035.95 km) |
| Houghton le Spring to Grumo Nevano | 1,200.34 mi (1,931.76 km) |
| Houghton le Spring to Gualdo Tadino | 1,025.47 mi (1,650.33 km) |
| Houghton le Spring to Guardiagrele | 1,125.22 mi (1,810.87 km) |
| Houghton le Spring to Guastalla | 870.43 mi (1,400.82 km) |
| Houghton le Spring to Gubbio | 1,012.73 mi (1,629.83 km) |
| Houghton le Spring to Guspini | 1,156.40 mi (1,861.05 km) |
| Houghton le Spring to Gussago | 817.24 mi (1,315.22 km) |
| Houghton le Spring to Iesi | 1,021.79 mi (1,644.40 km) |
| Houghton le Spring to Iesolo | 893.12 mi (1,437.34 km) |
| Houghton le Spring to Iglesias | 1,168.58 mi (1,880.65 km) |
