| Duffel to Hizan | 2,035.01 mi (3,275.03 km) |
| Duffel to Hopa | 1,863.04 mi (2,998.27 km) |
| Duffel to Huyuk | 1,599.25 mi (2,573.74 km) |
| Duffel to Idil | 2,050.84 mi (3,300.51 km) |
| Duffel to Igdir | 2,033.95 mi (3,273.32 km) |
| Duffel to Ihsaniye | 1,501.70 mi (2,416.76 km) |
| Duffel to Ilic | 1,818.85 mi (2,927.16 km) |
| Duffel to Ilica | 1,906.68 mi (3,068.51 km) |
| Duffel to Incesu | 1,713.67 mi (2,757.88 km) |
| Duffel to Incirliova | 1,454.27 mi (2,340.43 km) |
| Duffel to Inebolu | 1,513.09 mi (2,435.08 km) |
| Duffel to Inegol | 1,417.57 mi (2,281.35 km) |
| Duffel to Ipsala | 1,255.51 mi (2,020.55 km) |
| Duffel to Iskenderun | 1,847.39 mi (2,973.08 km) |
| Duffel to Islahiye | 1,845.86 mi (2,970.62 km) |
