| Dubuque to Nymburk | 4,628.90 mi (7,449.50 km) |
| Dubuque to Olomouc | 4,730.35 mi (7,612.77 km) |
| Dubuque to Opava | 4,736.63 mi (7,622.87 km) |
| Dubuque to Orlova | 4,758.41 mi (7,657.92 km) |
| Dubuque to Ostrava | 4,754.26 mi (7,651.25 km) |
| Dubuque to Ostrov | 4,551.42 mi (7,324.81 km) |
| Dubuque to Otrokovice | 4,757.30 mi (7,656.14 km) |
| Dubuque to Pardubice | 4,660.53 mi (7,500.40 km) |
| Dubuque to Pelhrimov | 4,668.47 mi (7,513.18 km) |
| Dubuque to Pisek | 4,636.58 mi (7,461.85 km) |
| Dubuque to Plzen | 4,590.67 mi (7,387.97 km) |
| Dubuque to Podebrady | 4,633.46 mi (7,456.83 km) |
| Dubuque to Policka | 4,691.52 mi (7,550.27 km) |
| Dubuque to Prachatice | 4,644.29 mi (7,474.27 km) |
| Dubuque to Prague | 4,612.00 mi (7,422.29 km) |
