| Merthyr Tudful to Gladenbach | 520.97 mi (838.43 km) |
| Merthyr Tudful to Glauchau | 689.64 mi (1,109.87 km) |
| Merthyr Tudful to Glinde | 582.15 mi (936.87 km) |
| Merthyr Tudful to Gluckstadt | 552.65 mi (889.41 km) |
| Merthyr Tudful to Gnarrenburg | 531.60 mi (855.53 km) |
| Merthyr Tudful to Goch | 408.13 mi (656.82 km) |
| Merthyr Tudful to Goldbach | 560.38 mi (901.85 km) |
| Merthyr Tudful to Goldenstedt | 503.34 mi (810.04 km) |
| Merthyr Tudful to Gomaringen | 597.00 mi (960.77 km) |
| Merthyr Tudful to Gommern | 647.63 mi (1,042.27 km) |
| Merthyr Tudful to Goppingen | 612.13 mi (985.12 km) |
| Merthyr Tudful to Gorlitz | 789.78 mi (1,271.02 km) |
| Merthyr Tudful to Goslar | 588.88 mi (947.72 km) |
| Merthyr Tudful to Gotha | 609.86 mi (981.47 km) |
| Merthyr Tudful to Gottingen | 570.29 mi (917.79 km) |
