| South Portland to Kelkheim (Taunus) | 3,569.82 mi (5,745.07 km) |
| South Portland to Kelsterbach | 3,575.33 mi (5,753.93 km) |
| South Portland to Kemberg | 3,684.31 mi (5,929.32 km) |
| South Portland to Kempen | 3,454.12 mi (5,558.88 km) |
| South Portland to Kempten | 3,719.79 mi (5,986.43 km) |
| South Portland to Kenzingen | 3,600.37 mi (5,794.23 km) |
| South Portland to Kerpen | 3,478.69 mi (5,598.41 km) |
| South Portland to Ketsch | 3,596.15 mi (5,787.44 km) |
| South Portland to Kevelaer | 3,441.54 mi (5,538.63 km) |
| South Portland to Kiel | 3,516.74 mi (5,659.64 km) |
| South Portland to Kierspe | 3,506.03 mi (5,642.41 km) |
| South Portland to Kirchhain | 3,568.55 mi (5,743.02 km) |
| South Portland to Kirchheim bei Munchen | 3,764.16 mi (6,057.83 km) |
| South Portland to Kirchheim unter Teck | 3,655.38 mi (5,882.76 km) |
| South Portland to Kirchhundem | 3,527.42 mi (5,676.83 km) |
