| Opatija to Galapagar | 979.50 mi (1,576.35 km) |
| Opatija to Galdacano | 858.76 mi (1,382.04 km) |
| Opatija to Gandia | 860.61 mi (1,385.02 km) |
| Opatija to Garrucha | 1,006.10 mi (1,619.16 km) |
| Opatija to Gava | 676.87 mi (1,089.32 km) |
| Opatija to Gelves | 1,185.51 mi (1,907.90 km) |
| Opatija to Getafe | 975.02 mi (1,569.15 km) |
| Opatija to Gibraleon | 1,227.42 mi (1,975.34 km) |
| Opatija to Gijon | 991.94 mi (1,596.38 km) |
| Opatija to Gines | 1,186.21 mi (1,909.02 km) |
| Opatija to Girona | 618.22 mi (994.92 km) |
| Opatija to Godella | 849.21 mi (1,366.68 km) |
| Opatija to Gondomar | 1,168.62 mi (1,880.71 km) |
| Opatija to Grado | 1,012.59 mi (1,629.60 km) |
| Opatija to Granada | 1,083.58 mi (1,743.85 km) |
