| Hartford to Kidricevo | 4,163.68 mi (6,700.79 km) |
| Hartford to Kobarid | 4,077.77 mi (6,562.53 km) |
| Hartford to Kobilje | 4,178.16 mi (6,724.09 km) |
| Hartford to Kocevje | 4,151.95 mi (6,681.92 km) |
| Hartford to Komen | 4,099.78 mi (6,597.96 km) |
| Hartford to Komenda | 4,118.89 mi (6,628.72 km) |
| Hartford to Koper | 4,108.28 mi (6,611.63 km) |
| Hartford to Kostanjevica na Krki | 4,168.17 mi (6,708.02 km) |
| Hartford to Kostel | 4,158.79 mi (6,692.93 km) |
| Hartford to Kozje | 4,165.62 mi (6,703.92 km) |
| Hartford to Kranj | 4,110.87 mi (6,615.81 km) |
| Hartford to Kranjska Gora | 4,078.23 mi (6,563.27 km) |
| Hartford to Krizevci | 4,172.05 mi (6,714.27 km) |
| Hartford to Krsko | 4,166.90 mi (6,705.98 km) |
| Hartford to Kuzma | 4,160.18 mi (6,695.16 km) |
