| Middlesbrough to Granada | 1,207.32 mi (1,943.00 km) |
| Middlesbrough to Granadilla de Abona | 1,984.06 mi (3,193.04 km) |
| Middlesbrough to Granollers | 910.38 mi (1,465.11 km) |
| Middlesbrough to Grinon | 999.51 mi (1,608.55 km) |
| Middlesbrough to Guadalajara | 967.47 mi (1,556.99 km) |
| Middlesbrough to Guadarrama | 969.60 mi (1,560.43 km) |
| Middlesbrough to Guadix | 1,197.07 mi (1,926.50 km) |
| Middlesbrough to Guardamar del Segura | 1,139.47 mi (1,833.80 km) |
| Middlesbrough to Guernica y Luno | 780.65 mi (1,256.34 km) |
| Middlesbrough to Guia de Isora | 1,981.72 mi (3,189.26 km) |
| Middlesbrough to Guillena | 1,199.30 mi (1,930.08 km) |
| Middlesbrough to Guimar | 1,967.72 mi (3,166.73 km) |
| Middlesbrough to Hellin | 1,109.84 mi (1,786.11 km) |
| Middlesbrough to Herencia | 1,055.51 mi (1,698.68 km) |
| Middlesbrough to Hernani | 782.14 mi (1,258.73 km) |
