| Piraeus to Galapagar | 1,484.13 mi (2,388.48 km) |
| Piraeus to Galdacano | 1,430.64 mi (2,302.40 km) |
| Piraeus to Gandia | 1,287.64 mi (2,072.26 km) |
| Piraeus to Garrucha | 1,391.51 mi (2,239.41 km) |
| Piraeus to Gava | 1,171.77 mi (1,885.78 km) |
| Piraeus to Gelves | 1,616.67 mi (2,601.78 km) |
| Piraeus to Getafe | 1,470.64 mi (2,366.77 km) |
| Piraeus to Gibraleon | 1,667.54 mi (2,683.65 km) |
| Piraeus to Gijon | 1,575.23 mi (2,535.09 km) |
| Piraeus to Gines | 1,619.30 mi (2,606.01 km) |
| Piraeus to Girona | 1,134.74 mi (1,826.19 km) |
| Piraeus to Godella | 1,297.41 mi (2,087.98 km) |
| Piraeus to Gondomar | 1,727.99 mi (2,780.93 km) |
| Piraeus to Grado | 1,593.26 mi (2,564.11 km) |
| Piraeus to Granada | 1,487.99 mi (2,394.70 km) |
