| Round Rock to Nymburk | 5,512.90 mi (8,872.16 km) |
| Round Rock to Olomouc | 5,616.07 mi (9,038.19 km) |
| Round Rock to Opava | 5,624.42 mi (9,051.63 km) |
| Round Rock to Orlova | 5,646.75 mi (9,087.57 km) |
| Round Rock to Ostrava | 5,642.36 mi (9,080.51 km) |
| Round Rock to Ostrov | 5,432.39 mi (8,742.59 km) |
| Round Rock to Otrokovice | 5,642.30 mi (9,080.41 km) |
| Round Rock to Pardubice | 5,545.25 mi (8,924.21 km) |
| Round Rock to Pelhrimov | 5,550.28 mi (8,932.32 km) |
| Round Rock to Pisek | 5,516.11 mi (8,877.33 km) |
| Round Rock to Plzen | 5,470.41 mi (8,803.78 km) |
| Round Rock to Podebrady | 5,517.44 mi (8,879.46 km) |
| Round Rock to Policka | 5,576.00 mi (8,973.70 km) |
| Round Rock to Prachatice | 5,522.51 mi (8,887.63 km) |
| Round Rock to Prague | 5,494.66 mi (8,842.80 km) |
