| South Portland to Kocani | 4,434.29 mi (7,136.30 km) |
| South Portland to Konce | 4,450.41 mi (7,162.23 km) |
| South Portland to Kratovo | 4,417.85 mi (7,109.84 km) |
| South Portland to Kriva Palanka | 4,419.25 mi (7,112.09 km) |
| South Portland to Krivogastani | 4,413.28 mi (7,102.49 km) |
| South Portland to Krusevo | 4,408.33 mi (7,094.53 km) |
| South Portland to Kumanovo | 4,396.61 mi (7,075.66 km) |
| South Portland to Lipkovo | 4,390.42 mi (7,065.70 km) |
| South Portland to Lozovo | 4,418.73 mi (7,111.26 km) |
| South Portland to Makedonska Kamenica | 4,437.23 mi (7,141.03 km) |
| South Portland to Makedonski Brod | 4,401.11 mi (7,082.89 km) |
| South Portland to Mogila | 4,424.50 mi (7,120.55 km) |
| South Portland to Negotino | 4,438.72 mi (7,143.42 km) |
| South Portland to Novaci | 4,430.48 mi (7,130.16 km) |
| South Portland to Novo Selo | 4,474.46 mi (7,200.95 km) |
