| San Mateo to Ickenham | 5,351.77 mi (8,612.85 km) |
| San Mateo to Ifield | 5,380.72 mi (8,659.43 km) |
| San Mateo to Ilford | 5,367.58 mi (8,638.28 km) |
| San Mateo to Ilfracombe | 5,257.30 mi (8,460.81 km) |
| San Mateo to Ilkeston | 5,256.28 mi (8,459.17 km) |
| San Mateo to Ilkley | 5,194.58 mi (8,359.88 km) |
| San Mateo to Immingham | 5,255.75 mi (8,458.31 km) |
| San Mateo to Ince-in-Makerfield | 5,190.78 mi (8,353.76 km) |
| San Mateo to Inverness | 4,957.17 mi (7,977.79 km) |
| San Mateo to Inverurie | 5,016.57 mi (8,073.39 km) |
| San Mateo to Ipswich | 5,373.30 mi (8,647.49 km) |
| San Mateo to Irlam | 5,200.58 mi (8,369.53 km) |
| San Mateo to Irthlingborough | 5,308.65 mi (8,543.45 km) |
| San Mateo to Irvine | 5,031.86 mi (8,098.00 km) |
| San Mateo to Islington | 5,362.70 mi (8,630.43 km) |
