| Donegal to Giugliano in Campania | 1,392.69 mi (2,241.32 km) |
| Donegal to Giulianova | 1,289.77 mi (2,075.68 km) |
| Donegal to Giussano | 980.58 mi (1,578.09 km) |
| Donegal to Goito | 1,052.20 mi (1,693.35 km) |
| Donegal to Gonzaga | 1,072.05 mi (1,725.30 km) |
| Donegal to Gorgonzola | 995.00 mi (1,601.30 km) |
| Donegal to Gorizia | 1,125.50 mi (1,811.32 km) |
| Donegal to Gragnano | 1,415.92 mi (2,278.71 km) |
| Donegal to Grammichele | 1,612.31 mi (2,594.76 km) |
| Donegal to Granarolo del l'Emilia | 1,113.54 mi (1,792.07 km) |
| Donegal to Gravina in Puglia | 1,474.06 mi (2,372.27 km) |
| Donegal to Grezzana | 1,051.48 mi (1,692.19 km) |
| Donegal to Gricignano d'Aversa | 1,388.66 mi (2,234.83 km) |
| Donegal to Grosseto | 1,193.37 mi (1,920.54 km) |
| Donegal to Grottaferrata | 1,296.72 mi (2,086.87 km) |
