| Wallingford to Grottaferrata | 938.79 mi (1,510.83 km) |
| Wallingford to Grottaglie | 1,167.06 mi (1,878.21 km) |
| Wallingford to Grottammare | 917.39 mi (1,476.40 km) |
| Wallingford to Grugliasco | 602.01 mi (968.84 km) |
| Wallingford to Grumo Appula | 1,116.47 mi (1,796.78 km) |
| Wallingford to Grumo Nevano | 1,036.90 mi (1,668.74 km) |
| Wallingford to Gualdo Tadino | 867.40 mi (1,395.95 km) |
| Wallingford to Guardiagrele | 969.24 mi (1,559.84 km) |
| Wallingford to Guastalla | 710.79 mi (1,143.91 km) |
| Wallingford to Gubbio | 854.06 mi (1,374.48 km) |
| Wallingford to Guspini | 956.09 mi (1,538.68 km) |
| Wallingford to Gussago | 659.97 mi (1,062.12 km) |
| Wallingford to Iesi | 868.99 mi (1,398.51 km) |
| Wallingford to Iesolo | 754.44 mi (1,214.15 km) |
| Wallingford to Iglesias | 967.24 mi (1,556.62 km) |
