| Mercer Island to Nymburk | 5,219.94 mi (8,400.68 km) |
| Mercer Island to Olomouc | 5,301.63 mi (8,532.14 km) |
| Mercer Island to Opava | 5,293.41 mi (8,518.92 km) |
| Mercer Island to Orlova | 5,309.51 mi (8,544.83 km) |
| Mercer Island to Ostrava | 5,307.41 mi (8,541.45 km) |
| Mercer Island to Ostrov | 5,167.83 mi (8,316.82 km) |
| Mercer Island to Otrokovice | 5,330.99 mi (8,579.39 km) |
| Mercer Island to Pardubice | 5,244.27 mi (8,439.84 km) |
| Mercer Island to Pelhrimov | 5,269.75 mi (8,480.85 km) |
| Mercer Island to Pisek | 5,254.22 mi (8,455.86 km) |
| Mercer Island to Plzen | 5,211.00 mi (8,386.29 km) |
| Mercer Island to Podebrady | 5,224.21 mi (8,407.55 km) |
| Mercer Island to Policka | 5,274.13 mi (8,487.89 km) |
| Mercer Island to Prachatice | 5,268.91 mi (8,479.48 km) |
| Mercer Island to Prague | 5,212.87 mi (8,389.30 km) |
