| Cities | Distance |
|---|---|
| Opoczno to Karditsa | 833.55 mi (1,341.47 km) |
| Opoczno to Kastoria | 751.84 mi (1,209.98 km) |
| Opoczno to Katerini | 774.93 mi (1,247.12 km) |
| Opoczno to Keratsini | 940.65 mi (1,513.83 km) |
| Opoczno to Kerkyra | 812.26 mi (1,307.21 km) |
| Opoczno to Kiato | 931.31 mi (1,498.81 km) |
| Opoczno to Kifisia | 934.43 mi (1,503.82 km) |
| Opoczno to Kilkis | 728.55 mi (1,172.49 km) |
| Opoczno to Komotini | 750.74 mi (1,208.20 km) |
| Opoczno to Korinthos | 937.38 mi (1,508.56 km) |
| Opoczno to Koropi | 947.43 mi (1,524.74 km) |
| Opoczno to Korydallos | 939.80 mi (1,512.46 km) |
| Opoczno to Kos | 1,060.05 mi (1,705.99 km) |
| Opoczno to Kozani | 768.70 mi (1,237.10 km) |
| Opoczno to Lagos | 747.12 mi (1,202.37 km) |