| Isabela to Ickenham | 4,223.24 mi (6,796.65 km) |
| Isabela to Ifield | 4,230.34 mi (6,808.07 km) |
| Isabela to Ilford | 4,246.05 mi (6,833.36 km) |
| Isabela to Ilfracombe | 4,063.11 mi (6,538.95 km) |
| Isabela to Ilkeston | 4,199.33 mi (6,758.16 km) |
| Isabela to Ilkley | 4,188.08 mi (6,740.06 km) |
| Isabela to Immingham | 4,249.88 mi (6,839.51 km) |
| Isabela to Ince-in-Makerfield | 4,152.51 mi (6,682.82 km) |
| Isabela to Inverness | 4,142.83 mi (6,667.25 km) |
| Isabela to Inverurie | 4,207.14 mi (6,770.74 km) |
| Isabela to Ipswich | 4,294.96 mi (6,912.07 km) |
| Isabela to Irlam | 4,158.64 mi (6,692.68 km) |
| Isabela to Irthlingborough | 4,222.42 mi (6,795.32 km) |
| Isabela to Irvine | 4,098.42 mi (6,595.78 km) |
| Isabela to Islington | 4,237.90 mi (6,820.24 km) |
