| Merthyr Tudful to Gorlice | 1,078.28 mi (1,735.33 km) |
| Merthyr Tudful to Gorzow Wielkopolski | 788.91 mi (1,269.64 km) |
| Merthyr Tudful to Gostyn | 868.23 mi (1,397.28 km) |
| Merthyr Tudful to Gostynin | 967.11 mi (1,556.41 km) |
| Merthyr Tudful to Grajewo | 1,083.40 mi (1,743.57 km) |
| Merthyr Tudful to Grodek Nad Dunajcem | 1,057.76 mi (1,702.30 km) |
| Merthyr Tudful to Grodzisk Mazowiecki | 1,018.65 mi (1,639.35 km) |
| Merthyr Tudful to Grodzisk Wielkopolski | 838.20 mi (1,348.96 km) |
| Merthyr Tudful to Grojec | 1,031.09 mi (1,659.39 km) |
| Merthyr Tudful to Grudziadz | 932.44 mi (1,500.62 km) |
| Merthyr Tudful to Gryfice | 787.48 mi (1,267.32 km) |
| Merthyr Tudful to Gryfino | 756.65 mi (1,217.72 km) |
| Merthyr Tudful to Gubin | 770.49 mi (1,239.98 km) |
| Merthyr Tudful to Hajnowka | 1,136.13 mi (1,828.42 km) |
| Merthyr Tudful to Hrubieszow | 1,173.07 mi (1,887.87 km) |
