| Opatija to Joliet (Illinois) | 4,769.16 mi (7,675.22 km) |
| Opatija to Jonesboro (Arkansas) | 5,140.58 mi (8,272.96 km) |
| Opatija to Joplin (Missouri) | 5,226.27 mi (8,410.87 km) |
| Opatija to Joppatowne (Maryland) | 4,390.85 mi (7,066.39 km) |
| Opatija to Juana Díaz (Puerto Rico) | 4,898.74 mi (7,883.75 km) |
| Opatija to Junction City (Kansas) | 5,214.84 mi (8,392.47 km) |
| Opatija to Juneau (Alaska) | 5,042.82 mi (8,115.63 km) |
| Opatija to Jupiter (Florida) | 5,120.60 mi (8,240.80 km) |
| Opatija to Jupiter Farms (Florida) | 5,125.25 mi (8,248.30 km) |
| Opatija to Jurupa Valley (California) | 6,180.84 mi (9,947.10 km) |
| Opatija to Justice (Illinois) | 4,746.38 mi (7,638.56 km) |
| Opatija to Kahului (Hawaii) | 7,825.69 mi (12,594.23 km) |
| Opatija to Kailua (Hawaii) | 7,799.38 mi (12,551.89 km) |
| Opatija to Kalamazoo (Michigan) | 4,636.27 mi (7,461.36 km) |
| Opatija to Kalispell (Montana) | 5,267.48 mi (8,477.19 km) |
