| Boulder to Nymburk | 5,231.74 mi (8,419.66 km) |
| Boulder to Olomouc | 5,328.14 mi (8,574.81 km) |
| Boulder to Opava | 5,329.53 mi (8,577.05 km) |
| Boulder to Orlova | 5,349.71 mi (8,609.53 km) |
| Boulder to Ostrava | 5,346.20 mi (8,603.88 km) |
| Boulder to Ostrov | 5,161.55 mi (8,306.72 km) |
| Boulder to Otrokovice | 5,356.37 mi (8,620.25 km) |
| Boulder to Pardubice | 5,261.41 mi (8,467.42 km) |
| Boulder to Pelhrimov | 5,275.45 mi (8,490.02 km) |
| Boulder to Pisek | 5,248.55 mi (8,446.72 km) |
| Boulder to Plzen | 5,202.78 mi (8,373.06 km) |
| Boulder to Podebrady | 5,236.27 mi (8,426.96 km) |
| Boulder to Policka | 5,292.53 mi (8,517.51 km) |
| Boulder to Prachatice | 5,258.72 mi (8,463.09 km) |
| Boulder to Prague | 5,217.89 mi (8,397.38 km) |
