| Opatija to Anagni | 254.62 mi (409.77 km) |
| Opatija to Ancona | 124.72 mi (200.72 km) |
| Opatija to Andria | 301.67 mi (485.49 km) |
| Opatija to Angri | 318.11 mi (511.95 km) |
| Opatija to Anguillara Sabazia | 246.43 mi (396.59 km) |
| Opatija to Anzio | 281.30 mi (452.71 km) |
| Opatija to Anzola dell'Emilia | 161.24 mi (259.49 km) |
| Opatija to Aosta | 339.01 mi (545.58 km) |
| Opatija to Apricena | 252.87 mi (406.96 km) |
| Opatija to Aprilia | 271.98 mi (437.70 km) |
| Opatija to Aradeo | 408.45 mi (657.34 km) |
| Opatija to Aragona | 549.14 mi (883.75 km) |
| Opatija to Arco | 169.93 mi (273.48 km) |
| Opatija to Arcola | 231.74 mi (372.95 km) |
| Opatija to Arcore | 242.25 mi (389.87 km) |
