| Potomac to Kromeriz | 4,429.23 mi (7,128.16 km) |
| Potomac to Krupka | 4,245.49 mi (6,832.46 km) |
| Potomac to Kurim | 4,395.74 mi (7,074.25 km) |
| Potomac to Kutna Hora | 4,324.41 mi (6,959.47 km) |
| Potomac to Kyjov | 4,428.84 mi (7,127.54 km) |
| Potomac to Lanskroun | 4,377.69 mi (7,045.20 km) |
| Potomac to Liberec | 4,289.41 mi (6,903.13 km) |
| Potomac to Lisen | 4,404.92 mi (7,089.04 km) |
| Potomac to Litomerice | 4,260.99 mi (6,857.40 km) |
| Potomac to Litomysl | 4,367.42 mi (7,028.69 km) |
| Potomac to Litovel | 4,402.90 mi (7,085.79 km) |
| Potomac to Litvinov | 4,238.61 mi (6,821.38 km) |
| Potomac to Louny | 4,253.68 mi (6,845.64 km) |
| Potomac to Lovosice | 4,258.44 mi (6,853.30 km) |
| Potomac to Lysa nad Labem | 4,299.06 mi (6,918.67 km) |
