| Opatija to Kaneohe (Hawaii) | 7,798.75 mi (12,550.88 km) |
| Opatija to Kankakee (Illinois) | 4,777.78 mi (7,689.09 km) |
| Opatija to Kannapolis (North Carolina) | 4,745.84 mi (7,637.69 km) |
| Opatija to Kansas City (Kansas) | 5,132.75 mi (8,260.36 km) |
| Opatija to Kansas City (Missouri) | 5,125.69 mi (8,249.00 km) |
| Opatija to Kapaa (Hawaii) | 7,761.12 mi (12,490.32 km) |
| Opatija to Kapolei (Hawaii) | 7,805.15 mi (12,561.17 km) |
| Opatija to Katy (Texas) | 5,649.00 mi (9,091.19 km) |
| Opatija to Kaukauna (Wisconsin) | 4,645.15 mi (7,475.65 km) |
| Opatija to Kaysville (Utah) | 5,609.04 mi (9,026.88 km) |
| Opatija to Kearney (Missouri) | 5,106.96 mi (8,218.87 km) |
| Opatija to Kearney (Nebraska) | 5,208.80 mi (8,382.76 km) |
| Opatija to Kearns (Utah) | 5,632.30 mi (9,064.32 km) |
| Opatija to Kearny (New Jersey) | 4,241.14 mi (6,825.45 km) |
| Opatija to Keene (New Hampshire) | 4,076.21 mi (6,560.03 km) |
