| Cities | Distance |
|---|---|
| Opoczno to Juprelle | 641.40 mi (1,032.23 km) |
| Opoczno to Jurbise | 712.66 mi (1,146.92 km) |
| Opoczno to Kalmthout | 680.91 mi (1,095.82 km) |
| Opoczno to Kampenhout | 681.29 mi (1,096.43 km) |
| Opoczno to Kapelle-op-den-Bos | 688.39 mi (1,107.86 km) |
| Opoczno to Kapellen | 682.85 mi (1,098.95 km) |
| Opoczno to Kasterlee | 661.21 mi (1,064.11 km) |
| Opoczno to Keerbergen | 677.15 mi (1,089.77 km) |
| Opoczno to Kinrooi | 628.12 mi (1,010.86 km) |
| Opoczno to Knokke-Heist | 731.81 mi (1,177.74 km) |
| Opoczno to Koekelare | 747.25 mi (1,202.57 km) |
| Opoczno to Koekelberg | 691.40 mi (1,112.69 km) |
| Opoczno to Koksijde | 761.33 mi (1,225.25 km) |
| Opoczno to Kontich | 683.70 mi (1,100.30 km) |
| Opoczno to Kortemark | 745.12 mi (1,199.15 km) |