| Opoczno to Imola | 626.37 mi (1,008.04 km) |
| Opoczno to Impruneta | 677.43 mi (1,090.21 km) |
| Opoczno to Induno Olona | 646.56 mi (1,040.53 km) |
| Opoczno to Inverigo | 637.90 mi (1,026.61 km) |
| Opoczno to Inveruno | 661.09 mi (1,063.92 km) |
| Opoczno to Inzago | 637.71 mi (1,026.30 km) |
| Opoczno to Iseo | 611.76 mi (984.54 km) |
| Opoczno to Isernia | 733.44 mi (1,180.35 km) |
| Opoczno to Isola Capo Rizzuto | 871.77 mi (1,402.98 km) |
| Opoczno to Isola del Liri | 741.43 mi (1,193.21 km) |
| Opoczno to Isola della Scala | 598.90 mi (963.83 km) |
| Opoczno to Isola Vicentina | 565.96 mi (910.82 km) |
| Opoczno to Ispica | 1,042.47 mi (1,677.69 km) |
| Opoczno to Istrana | 542.59 mi (873.21 km) |
| Opoczno to Itri | 767.46 mi (1,235.11 km) |
