| South Portland to Karahalli | 4,882.48 mi (7,857.58 km) |
| South Portland to Karakocan | 5,265.98 mi (8,474.77 km) |
| South Portland to Karakopru | 5,305.63 mi (8,538.58 km) |
| South Portland to Karaman | 5,085.39 mi (8,184.14 km) |
| South Portland to Karapinar | 5,073.75 mi (8,165.41 km) |
| South Portland to Karatas | 5,201.66 mi (8,371.27 km) |
| South Portland to Karatepe | 4,791.84 mi (7,711.73 km) |
| South Portland to Karayilan | 5,228.22 mi (8,414.01 km) |
| South Portland to Kargipinar | 5,158.04 mi (8,301.06 km) |
| South Portland to Karkamis | 5,292.04 mi (8,516.72 km) |
| South Portland to Karliova | 5,285.26 mi (8,505.81 km) |
| South Portland to Kars | 5,295.54 mi (8,522.36 km) |
| South Portland to Kartal | 4,753.97 mi (7,650.77 km) |
| South Portland to Kas | 4,983.69 mi (8,020.48 km) |
| South Portland to Kastamonu | 4,911.77 mi (7,904.74 km) |
