| Castleford to Hisarcik | 1,743.94 mi (2,806.60 km) |
| Castleford to Hizan | 2,310.80 mi (3,718.88 km) |
| Castleford to Hopa | 2,128.83 mi (3,426.01 km) |
| Castleford to Huyuk | 1,897.42 mi (3,053.60 km) |
| Castleford to Idil | 2,330.71 mi (3,750.91 km) |
| Castleford to Igdir | 2,299.63 mi (3,700.89 km) |
| Castleford to Ihsaniye | 1,799.47 mi (2,895.96 km) |
| Castleford to Ilic | 2,099.08 mi (3,378.15 km) |
| Castleford to Ilica | 2,179.25 mi (3,507.16 km) |
| Castleford to Incesu | 2,003.72 mi (3,224.67 km) |
| Castleford to Incirliova | 1,757.82 mi (2,828.94 km) |
| Castleford to Inebolu | 1,794.61 mi (2,888.14 km) |
| Castleford to Inegol | 1,714.37 mi (2,759.02 km) |
| Castleford to Ipsala | 1,555.56 mi (2,503.43 km) |
| Castleford to Iskenderun | 2,140.79 mi (3,445.28 km) |
