| Ithaca to Hoddesdon | 3,485.64 mi (5,609.60 km) |
| Ithaca to Holbeach | 3,460.88 mi (5,569.74 km) |
| Ithaca to Holborn | 3,487.76 mi (5,613.01 km) |
| Ithaca to Hollinwood | 3,360.01 mi (5,407.42 km) |
| Ithaca to Holyhead | 3,267.04 mi (5,257.79 km) |
| Ithaca to Holywell | 3,323.22 mi (5,348.20 km) |
| Ithaca to Honiton | 3,381.11 mi (5,441.37 km) |
| Ithaca to Horbury | 3,379.65 mi (5,439.02 km) |
| Ithaca to Horley | 3,494.28 mi (5,623.49 km) |
| Ithaca to Hornchurch | 3,499.87 mi (5,632.50 km) |
| Ithaca to Horndean | 3,467.66 mi (5,580.66 km) |
| Ithaca to Hornsey | 3,485.89 mi (5,610.00 km) |
| Ithaca to Horsell | 3,474.67 mi (5,591.94 km) |
| Ithaca to Horsforth | 3,372.33 mi (5,427.25 km) |
| Ithaca to Horsham | 3,490.99 mi (5,618.21 km) |
