| Castricum to Ifield | 230.19 mi (370.45 km) |
| Castricum to Ilford | 206.31 mi (332.03 km) |
| Castricum to Ilfracombe | 385.81 mi (620.90 km) |
| Castricum to Ilkeston | 251.47 mi (404.70 km) |
| Castricum to Ilkley | 284.52 mi (457.89 km) |
| Castricum to Immingham | 215.60 mi (346.97 km) |
| Castricum to Ince-in-Makerfield | 309.31 mi (497.79 km) |
| Castricum to Inverness | 489.17 mi (787.25 km) |
| Castricum to Inverurie | 429.82 mi (691.72 km) |
| Castricum to Ipswich | 152.14 mi (244.85 km) |
| Castricum to Irlam | 301.06 mi (484.50 km) |
| Castricum to Irthlingborough | 222.93 mi (358.77 km) |
| Castricum to Irvine | 433.00 mi (696.84 km) |
| Castricum to Islington | 214.21 mi (344.73 km) |
| Castricum to Iver | 231.05 mi (371.84 km) |
