| Opatija to Kinston (North Carolina) | 4,624.85 mi (7,442.98 km) |
| Opatija to Kirkland (Washington) | 5,490.77 mi (8,836.54 km) |
| Opatija to Kirksville (Missouri) | 4,999.02 mi (8,045.15 km) |
| Opatija to Kirkwood (Missouri) | 4,996.17 mi (8,040.55 km) |
| Opatija to Kiryas Joel (New York) | 4,218.79 mi (6,789.48 km) |
| Opatija to Kissimmee (Florida) | 5,113.20 mi (8,228.90 km) |
| Opatija to Klamath Falls (Oregon) | 5,810.16 mi (9,350.55 km) |
| Opatija to Knightdale (North Carolina) | 4,640.49 mi (7,468.15 km) |
| Opatija to Knik-Fairview (Alaska) | 5,000.42 mi (8,047.39 km) |
| Opatija to Knoxville (Tennessee) | 4,861.47 mi (7,823.79 km) |
| Opatija to Kokomo (Indiana) | 4,740.34 mi (7,628.84 km) |
| Opatija to Kuna (Idaho) | 5,594.64 mi (9,003.70 km) |
| Opatija to Kyle (Texas) | 5,719.74 mi (9,205.02 km) |
| Opatija to La Cañada Flintridge (California) | 6,190.30 mi (9,962.32 km) |
| Opatija to La Crescenta-Montrose (California) | 6,190.01 mi (9,961.85 km) |
