| Niagara Falls to Kromeriz | 4,304.78 mi (6,927.88 km) |
| Niagara Falls to Krupka | 4,121.05 mi (6,632.19 km) |
| Niagara Falls to Kurim | 4,272.89 mi (6,876.55 km) |
| Niagara Falls to Kutna Hora | 4,200.91 mi (6,760.72 km) |
| Niagara Falls to Kyjov | 4,306.18 mi (6,930.13 km) |
| Niagara Falls to Lanskroun | 4,251.93 mi (6,842.83 km) |
| Niagara Falls to Liberec | 4,162.50 mi (6,698.90 km) |
| Niagara Falls to Lisen | 4,282.20 mi (6,891.53 km) |
| Niagara Falls to Litomerice | 4,136.78 mi (6,657.51 km) |
| Niagara Falls to Litomysl | 4,242.40 mi (6,827.48 km) |
| Niagara Falls to Litovel | 4,277.25 mi (6,883.57 km) |
| Niagara Falls to Litvinov | 4,114.99 mi (6,622.43 km) |
| Niagara Falls to Louny | 4,130.89 mi (6,648.02 km) |
| Niagara Falls to Lovosice | 4,134.47 mi (6,653.78 km) |
| Niagara Falls to Lysa nad Labem | 4,175.17 mi (6,719.29 km) |
