| Hartford to Karis | 3,978.35 mi (6,402.54 km) |
| Hartford to Karkkila | 3,979.68 mi (6,404.67 km) |
| Hartford to Kauhajoki | 3,859.62 mi (6,211.46 km) |
| Hartford to Kauhava | 3,864.37 mi (6,219.11 km) |
| Hartford to Kauniainen | 4,005.71 mi (6,446.57 km) |
| Hartford to Kemi | 3,824.20 mi (6,154.46 km) |
| Hartford to Kemijarvi | 3,865.09 mi (6,220.26 km) |
| Hartford to Kempele | 3,874.00 mi (6,234.60 km) |
| Hartford to Kerava | 4,010.45 mi (6,454.19 km) |
| Hartford to Keuruu | 3,937.27 mi (6,336.43 km) |
| Hartford to Kiiminki | 3,873.95 mi (6,234.52 km) |
| Hartford to Kirkkonummi | 3,999.58 mi (6,436.70 km) |
| Hartford to Kitee | 4,094.00 mi (6,588.65 km) |
| Hartford to Kiuruvesi | 3,944.24 mi (6,347.64 km) |
| Hartford to Kivisto | 4,005.45 mi (6,446.15 km) |
