| Omagh to Grottaferrata | 1,267.41 mi (2,039.70 km) |
| Omagh to Grottaglie | 1,493.35 mi (2,403.31 km) |
| Omagh to Grottammare | 1,244.29 mi (2,002.49 km) |
| Omagh to Grugliasco | 930.18 mi (1,496.98 km) |
| Omagh to Grumo Appula | 1,442.94 mi (2,322.18 km) |
| Omagh to Grumo Nevano | 1,365.37 mi (2,197.35 km) |
| Omagh to Gualdo Tadino | 1,195.11 mi (1,923.34 km) |
| Omagh to Guardiagrele | 1,296.81 mi (2,087.01 km) |
| Omagh to Guastalla | 1,038.39 mi (1,671.13 km) |
| Omagh to Gubbio | 1,181.83 mi (1,901.96 km) |
| Omagh to Guspini | 1,275.75 mi (2,053.12 km) |
| Omagh to Gussago | 987.01 mi (1,588.43 km) |
| Omagh to Iesi | 1,195.80 mi (1,924.46 km) |
| Omagh to Iesolo | 1,077.12 mi (1,733.46 km) |
| Omagh to Iglesias | 1,286.06 mi (2,069.71 km) |
