| Pen-y-Bont ar Ogwr to Gaeta | 1,078.65 mi (1,735.92 km) |
| Pen-y-Bont ar Ogwr to Gaggiano | 713.83 mi (1,148.79 km) |
| Pen-y-Bont ar Ogwr to Galatina | 1,299.18 mi (2,090.84 km) |
| Pen-y-Bont ar Ogwr to Galatone | 1,296.22 mi (2,086.06 km) |
| Pen-y-Bont ar Ogwr to Galbiate | 709.41 mi (1,141.68 km) |
| Pen-y-Bont ar Ogwr to Gallarate | 693.20 mi (1,115.60 km) |
| Pen-y-Bont ar Ogwr to Galliate | 698.00 mi (1,123.32 km) |
| Pen-y-Bont ar Ogwr to Gallipoli | 1,297.97 mi (2,088.89 km) |
| Pen-y-Bont ar Ogwr to Gambettola | 894.66 mi (1,439.81 km) |
| Pen-y-Bont ar Ogwr to Gambolo | 714.25 mi (1,149.48 km) |
| Pen-y-Bont ar Ogwr to Garbagnate Milanese | 707.84 mi (1,139.16 km) |
| Pen-y-Bont ar Ogwr to Gardone Val Trompia | 744.76 mi (1,198.57 km) |
| Pen-y-Bont ar Ogwr to Garlasco | 718.84 mi (1,156.86 km) |
| Pen-y-Bont ar Ogwr to Gassino Torinese | 683.36 mi (1,099.76 km) |
| Pen-y-Bont ar Ogwr to Gatteo | 897.29 mi (1,444.06 km) |
