| Niagara Falls to Nymburk | 4,183.49 mi (6,732.67 km) |
| Niagara Falls to Olomouc | 4,287.89 mi (6,900.69 km) |
| Niagara Falls to Opava | 4,298.23 mi (6,917.34 km) |
| Niagara Falls to Orlova | 4,321.07 mi (6,954.09 km) |
| Niagara Falls to Ostrava | 4,316.44 mi (6,946.64 km) |
| Niagara Falls to Ostrov | 4,100.76 mi (6,599.54 km) |
| Niagara Falls to Otrokovice | 4,313.40 mi (6,941.74 km) |
| Niagara Falls to Pardubice | 4,216.37 mi (6,785.59 km) |
| Niagara Falls to Pelhrimov | 4,218.99 mi (6,789.81 km) |
| Niagara Falls to Pisek | 4,183.24 mi (6,732.28 km) |
| Niagara Falls to Plzen | 4,137.80 mi (6,659.14 km) |
| Niagara Falls to Podebrady | 4,188.00 mi (6,739.93 km) |
| Niagara Falls to Policka | 4,246.82 mi (6,834.60 km) |
| Niagara Falls to Prachatice | 4,188.75 mi (6,741.15 km) |
| Niagara Falls to Prague | 4,164.18 mi (6,701.61 km) |
