| Pen-y-Bont ar Ogwr to Grottaferrata | 1,018.17 mi (1,638.58 km) |
| Pen-y-Bont ar Ogwr to Grottaglie | 1,253.85 mi (2,017.88 km) |
| Pen-y-Bont ar Ogwr to Grottammare | 1,003.68 mi (1,615.27 km) |
| Pen-y-Bont ar Ogwr to Grugliasco | 677.65 mi (1,090.57 km) |
| Pen-y-Bont ar Ogwr to Grumo Appula | 1,203.05 mi (1,936.13 km) |
| Pen-y-Bont ar Ogwr to Grumo Nevano | 1,117.86 mi (1,799.02 km) |
| Pen-y-Bont ar Ogwr to Gualdo Tadino | 951.95 mi (1,532.02 km) |
| Pen-y-Bont ar Ogwr to Guardiagrele | 1,053.86 mi (1,696.02 km) |
| Pen-y-Bont ar Ogwr to Guastalla | 796.26 mi (1,281.46 km) |
| Pen-y-Bont ar Ogwr to Gubbio | 938.47 mi (1,510.33 km) |
| Pen-y-Bont ar Ogwr to Guspini | 1,013.92 mi (1,631.74 km) |
| Pen-y-Bont ar Ogwr to Gussago | 747.02 mi (1,202.21 km) |
| Pen-y-Bont ar Ogwr to Iesi | 955.62 mi (1,537.92 km) |
| Pen-y-Bont ar Ogwr to Iesolo | 846.83 mi (1,362.84 km) |
| Pen-y-Bont ar Ogwr to Iglesias | 1,023.99 mi (1,647.96 km) |
