| Round Lake to Nymburk | 4,547.12 mi (7,317.88 km) |
| Round Lake to Olomouc | 4,649.46 mi (7,482.58 km) |
| Round Lake to Opava | 4,656.81 mi (7,494.41 km) |
| Round Lake to Orlova | 4,678.89 mi (7,529.94 km) |
| Round Lake to Ostrava | 4,674.61 mi (7,523.06 km) |
| Round Lake to Ostrov | 4,468.17 mi (7,190.82 km) |
| Round Lake to Otrokovice | 4,676.06 mi (7,525.39 km) |
| Round Lake to Pardubice | 4,579.11 mi (7,369.36 km) |
| Round Lake to Pelhrimov | 4,585.66 mi (7,379.91 km) |
| Round Lake to Pisek | 4,552.72 mi (7,326.89 km) |
| Round Lake to Plzen | 4,506.88 mi (7,253.12 km) |
| Round Lake to Podebrady | 4,551.66 mi (7,325.19 km) |
| Round Lake to Policka | 4,609.99 mi (7,419.07 km) |
| Round Lake to Prachatice | 4,559.86 mi (7,338.38 km) |
| Round Lake to Prague | 4,529.56 mi (7,289.63 km) |
