| Duchcov to Impruneta | 492.27 mi (792.23 km) |
| Duchcov to Induno Olona | 398.59 mi (641.46 km) |
| Duchcov to Inverigo | 395.83 mi (637.03 km) |
| Duchcov to Inveruno | 417.73 mi (672.27 km) |
| Duchcov to Inzago | 401.69 mi (646.46 km) |
| Duchcov to Iseo | 381.65 mi (614.21 km) |
| Duchcov to Isernia | 622.36 mi (1,001.59 km) |
| Duchcov to Isola Capo Rizzuto | 820.96 mi (1,321.21 km) |
| Duchcov to Isola del Liri | 616.68 mi (992.45 km) |
| Duchcov to Isola della Scala | 389.67 mi (627.11 km) |
| Duchcov to Isola Vicentina | 359.35 mi (578.32 km) |
| Duchcov to Ispica | 956.62 mi (1,539.53 km) |
| Duchcov to Istrana | 348.33 mi (560.58 km) |
| Duchcov to Itri | 644.07 mi (1,036.53 km) |
| Duchcov to Ittiri | 734.69 mi (1,182.38 km) |
