| South Portland to Kromeriz | 3,949.83 mi (6,356.64 km) |
| South Portland to Krupka | 3,766.09 mi (6,060.93 km) |
| South Portland to Kurim | 3,916.35 mi (6,302.76 km) |
| South Portland to Kutna Hora | 3,845.01 mi (6,187.95 km) |
| South Portland to Kyjov | 3,949.46 mi (6,356.05 km) |
| South Portland to Lanskroun | 3,898.28 mi (6,273.68 km) |
| South Portland to Liberec | 3,810.01 mi (6,131.63 km) |
| South Portland to Lisen | 3,925.54 mi (6,317.54 km) |
| South Portland to Litomerice | 3,781.59 mi (6,085.88 km) |
| South Portland to Litomysl | 3,888.02 mi (6,257.16 km) |
| South Portland to Litovel | 3,923.50 mi (6,314.26 km) |
| South Portland to Litvinov | 3,759.21 mi (6,049.86 km) |
| South Portland to Louny | 3,774.29 mi (6,074.13 km) |
| South Portland to Lovosice | 3,779.04 mi (6,081.78 km) |
| South Portland to Lysa nad Labem | 3,819.66 mi (6,147.15 km) |
