| Sumner to Nymburk | 5,241.42 mi (8,435.25 km) |
| Sumner to Olomouc | 5,323.29 mi (8,567.01 km) |
| Sumner to Opava | 5,315.18 mi (8,553.95 km) |
| Sumner to Orlova | 5,331.32 mi (8,579.94 km) |
| Sumner to Ostrava | 5,329.20 mi (8,576.53 km) |
| Sumner to Ostrov | 5,189.09 mi (8,351.03 km) |
| Sumner to Otrokovice | 5,352.65 mi (8,614.26 km) |
| Sumner to Pardubice | 5,265.82 mi (8,474.52 km) |
| Sumner to Pelhrimov | 5,291.18 mi (8,515.34 km) |
| Sumner to Pisek | 5,275.53 mi (8,490.14 km) |
| Sumner to Plzen | 5,232.25 mi (8,420.50 km) |
| Sumner to Podebrady | 5,245.70 mi (8,442.13 km) |
| Sumner to Policka | 5,295.70 mi (8,522.61 km) |
| Sumner to Prachatice | 5,290.16 mi (8,513.69 km) |
| Sumner to Prague | 5,234.27 mi (8,423.75 km) |
