| Niagara Falls to Kecskemet | 4,487.76 mi (7,222.36 km) |
| Niagara Falls to Kerepestarcsa | 4,445.13 mi (7,153.75 km) |
| Niagara Falls to Keszthely | 4,400.68 mi (7,082.20 km) |
| Niagara Falls to Kiskoros | 4,484.36 mi (7,216.88 km) |
| Niagara Falls to Kiskunfelegyhaza | 4,502.20 mi (7,245.59 km) |
| Niagara Falls to Kiskunhalas | 4,499.97 mi (7,242.01 km) |
| Niagara Falls to Kiskunlachaza | 4,450.24 mi (7,161.97 km) |
| Niagara Falls to Kiskunmajsa | 4,506.85 mi (7,253.08 km) |
| Niagara Falls to Kisujszallas | 4,514.99 mi (7,266.18 km) |
| Niagara Falls to Kisvarda | 4,520.96 mi (7,275.79 km) |
| Niagara Falls to Komarom | 4,394.55 mi (7,072.34 km) |
| Niagara Falls to Komlo | 4,463.18 mi (7,182.80 km) |
| Niagara Falls to Kormend | 4,366.31 mi (7,026.90 km) |
| Niagara Falls to Koszeg | 4,349.42 mi (6,999.71 km) |
| Niagara Falls to Lajosmizse | 4,477.79 mi (7,206.30 km) |
