| Olivenza to Ifield | 922.20 mi (1,484.13 km) |
| Olivenza to Ilford | 954.74 mi (1,536.51 km) |
| Olivenza to Ilfracombe | 877.20 mi (1,411.72 km) |
| Olivenza to Ilkeston | 1,024.80 mi (1,649.26 km) |
| Olivenza to Ilkley | 1,081.90 mi (1,741.15 km) |
| Olivenza to Immingham | 1,081.52 mi (1,740.54 km) |
| Olivenza to Ince-in-Makerfield | 1,048.21 mi (1,686.93 km) |
| Olivenza to Inverness | 1,304.88 mi (2,100.00 km) |
| Olivenza to Inverurie | 1,302.39 mi (2,095.99 km) |
| Olivenza to Ipswich | 1,005.63 mi (1,618.41 km) |
| Olivenza to Irlam | 1,043.56 mi (1,679.46 km) |
| Olivenza to Irthlingborough | 992.29 mi (1,596.94 km) |
| Olivenza to Irvine | 1,175.46 mi (1,891.73 km) |
| Olivenza to Islington | 950.61 mi (1,529.86 km) |
| Olivenza to Iver | 942.37 mi (1,516.60 km) |
