| Valongo to Ifield | 792.09 mi (1,274.74 km) |
| Valongo to Ilford | 824.13 mi (1,326.31 km) |
| Valongo to Ilfracombe | 723.29 mi (1,164.02 km) |
| Valongo to Ilkeston | 880.87 mi (1,417.62 km) |
| Valongo to Ilkley | 932.80 mi (1,501.20 km) |
| Valongo to Immingham | 940.67 mi (1,513.86 km) |
| Valongo to Ince-in-Makerfield | 896.57 mi (1,442.88 km) |
| Valongo to Inverness | 1,141.62 mi (1,837.26 km) |
| Valongo to Inverurie | 1,144.81 mi (1,842.40 km) |
| Valongo to Ipswich | 878.43 mi (1,413.69 km) |
| Valongo to Irlam | 892.95 mi (1,437.07 km) |
| Valongo to Irthlingborough | 854.30 mi (1,374.86 km) |
| Valongo to Irvine | 1,012.51 mi (1,629.48 km) |
| Valongo to Islington | 818.98 mi (1,318.01 km) |
| Valongo to Iver | 808.49 mi (1,301.14 km) |
