| Naperville to Nymburk | 4,579.30 mi (7,369.67 km) |
| Naperville to Olomouc | 4,681.85 mi (7,534.71 km) |
| Naperville to Opava | 4,689.45 mi (7,546.95 km) |
| Naperville to Orlova | 4,711.60 mi (7,582.59 km) |
| Naperville to Ostrava | 4,707.30 mi (7,575.66 km) |
| Naperville to Ostrov | 4,499.99 mi (7,242.04 km) |
| Naperville to Otrokovice | 4,708.36 mi (7,577.38 km) |
| Naperville to Pardubice | 4,611.38 mi (7,421.30 km) |
| Naperville to Pelhrimov | 4,617.59 mi (7,431.29 km) |
| Naperville to Pisek | 4,584.38 mi (7,377.84 km) |
| Naperville to Plzen | 4,538.56 mi (7,304.11 km) |
| Naperville to Podebrady | 4,583.84 mi (7,376.98 km) |
| Naperville to Policka | 4,642.23 mi (7,470.95 km) |
| Naperville to Prachatice | 4,591.37 mi (7,389.10 km) |
| Naperville to Prague | 4,561.59 mi (7,341.16 km) |
