| Glen Ellyn to Nymburk | 4,569.69 mi (7,354.20 km) |
| Glen Ellyn to Olomouc | 4,672.22 mi (7,519.22 km) |
| Glen Ellyn to Opava | 4,679.81 mi (7,531.43 km) |
| Glen Ellyn to Orlova | 4,701.96 mi (7,567.07 km) |
| Glen Ellyn to Ostrava | 4,697.65 mi (7,560.14 km) |
| Glen Ellyn to Ostrov | 4,490.41 mi (7,226.61 km) |
| Glen Ellyn to Otrokovice | 4,698.74 mi (7,561.90 km) |
| Glen Ellyn to Pardubice | 4,601.76 mi (7,405.82 km) |
| Glen Ellyn to Pelhrimov | 4,607.99 mi (7,415.84 km) |
| Glen Ellyn to Pisek | 4,574.80 mi (7,362.43 km) |
| Glen Ellyn to Plzen | 4,528.99 mi (7,288.70 km) |
| Glen Ellyn to Podebrady | 4,574.23 mi (7,361.52 km) |
| Glen Ellyn to Policka | 4,632.62 mi (7,455.48 km) |
| Glen Ellyn to Prachatice | 4,581.80 mi (7,373.70 km) |
| Glen Ellyn to Prague | 4,551.99 mi (7,325.71 km) |
