| Opatija to Hizan | 1,520.96 mi (2,447.75 km) |
| Opatija to Hopa | 1,382.35 mi (2,224.68 km) |
| Opatija to Huyuk | 1,025.30 mi (1,650.05 km) |
| Opatija to Idil | 1,525.02 mi (2,454.28 km) |
| Opatija to Igdir | 1,548.08 mi (2,491.40 km) |
| Opatija to Ihsaniye | 930.55 mi (1,497.58 km) |
| Opatija to Ilic | 1,297.20 mi (2,087.64 km) |
| Opatija to Ilica | 1,405.09 mi (2,261.27 km) |
| Opatija to Incesu | 1,164.26 mi (1,873.70 km) |
| Opatija to Incirliova | 863.05 mi (1,388.94 km) |
| Opatija to Inebolu | 997.46 mi (1,605.26 km) |
| Opatija to Inegol | 851.44 mi (1,370.26 km) |
| Opatija to Ipsala | 680.28 mi (1,094.81 km) |
| Opatija to Iskenderun | 1,285.37 mi (2,068.61 km) |
| Opatija to Islahiye | 1,289.69 mi (2,075.55 km) |
