| Petaluma to Ickenham | 5,320.93 mi (8,563.20 km) |
| Petaluma to Ifield | 5,350.01 mi (8,610.00 km) |
| Petaluma to Ilford | 5,336.55 mi (8,588.35 km) |
| Petaluma to Ilfracombe | 5,227.83 mi (8,413.37 km) |
| Petaluma to Ilkeston | 5,225.01 mi (8,408.84 km) |
| Petaluma to Ilkley | 5,162.99 mi (8,309.02 km) |
| Petaluma to Immingham | 5,223.82 mi (8,406.92 km) |
| Petaluma to Ince-in-Makerfield | 5,159.62 mi (8,303.60 km) |
| Petaluma to Inverness | 4,924.42 mi (7,925.09 km) |
| Petaluma to Inverurie | 4,983.44 mi (8,020.07 km) |
| Petaluma to Ipswich | 5,341.69 mi (8,596.62 km) |
| Petaluma to Irlam | 5,169.41 mi (8,319.36 km) |
| Petaluma to Irthlingborough | 5,277.48 mi (8,493.28 km) |
| Petaluma to Irvine | 5,000.21 mi (8,047.06 km) |
| Petaluma to Islington | 5,331.74 mi (8,580.61 km) |
