| Guaynabo to Ickenham | 4,190.57 mi (6,744.07 km) |
| Guaynabo to Ifield | 4,197.21 mi (6,754.76 km) |
| Guaynabo to Ilford | 4,213.34 mi (6,780.71 km) |
| Guaynabo to Ilfracombe | 4,030.42 mi (6,486.34 km) |
| Guaynabo to Ilkeston | 4,168.15 mi (6,707.99 km) |
| Guaynabo to Ilkley | 4,157.93 mi (6,691.55 km) |
| Guaynabo to Immingham | 4,219.26 mi (6,790.25 km) |
| Guaynabo to Ince-in-Makerfield | 4,122.05 mi (6,633.79 km) |
| Guaynabo to Inverness | 4,116.69 mi (6,625.18 km) |
| Guaynabo to Inverurie | 4,180.55 mi (6,727.95 km) |
| Guaynabo to Ipswich | 4,262.68 mi (6,860.12 km) |
| Guaynabo to Irlam | 4,128.06 mi (6,643.46 km) |
| Guaynabo to Irthlingborough | 4,190.53 mi (6,744.00 km) |
| Guaynabo to Irvine | 4,070.38 mi (6,550.64 km) |
| Guaynabo to Islington | 4,205.19 mi (6,767.59 km) |
