| Duchcov to Hizan | 1,638.31 mi (2,636.61 km) |
| Duchcov to Hopa | 1,461.39 mi (2,351.88 km) |
| Duchcov to Huyuk | 1,236.33 mi (1,989.67 km) |
| Duchcov to Idil | 1,657.20 mi (2,667.01 km) |
| Duchcov to Igdir | 1,632.38 mi (2,627.06 km) |
| Duchcov to Ihsaniye | 1,138.11 mi (1,831.61 km) |
| Duchcov to Ilic | 1,425.47 mi (2,294.08 km) |
| Duchcov to Ilica | 1,507.98 mi (2,426.85 km) |
| Duchcov to Incesu | 1,332.24 mi (2,144.03 km) |
| Duchcov to Incirliova | 1,116.26 mi (1,796.45 km) |
| Duchcov to Inebolu | 1,120.87 mi (1,803.87 km) |
| Duchcov to Inegol | 1,051.71 mi (1,692.56 km) |
| Duchcov to Ipsala | 902.23 mi (1,452.00 km) |
| Duchcov to Iskenderun | 1,471.77 mi (2,368.59 km) |
| Duchcov to Islahiye | 1,466.65 mi (2,360.35 km) |
