| Castellon de la Plana to Ifield | 769.77 mi (1,238.82 km) |
| Castellon de la Plana to Ilford | 799.73 mi (1,287.05 km) |
| Castellon de la Plana to Ilfracombe | 800.01 mi (1,287.49 km) |
| Castellon de la Plana to Ilkeston | 899.39 mi (1,447.43 km) |
| Castellon de la Plana to Ilkley | 966.90 mi (1,556.07 km) |
| Castellon de la Plana to Immingham | 941.84 mi (1,515.74 km) |
| Castellon de la Plana to Ince-in-Makerfield | 944.38 mi (1,519.84 km) |
| Castellon de la Plana to Inverness | 1,223.19 mi (1,968.54 km) |
| Castellon de la Plana to Inverurie | 1,199.72 mi (1,930.76 km) |
| Castellon de la Plana to Ipswich | 836.31 mi (1,345.91 km) |
| Castellon de la Plana to Irlam | 936.85 mi (1,507.71 km) |
| Castellon de la Plana to Irthlingborough | 853.12 mi (1,372.96 km) |
| Castellon de la Plana to Irvine | 1,100.94 mi (1,771.80 km) |
| Castellon de la Plana to Islington | 798.79 mi (1,285.52 km) |
| Castellon de la Plana to Iver | 797.51 mi (1,283.48 km) |
