| Ontario to Heswall | 5,243.93 mi (8,439.29 km) |
| Ontario to Hetton le Hole | 5,230.11 mi (8,417.04 km) |
| Ontario to Hexham | 5,203.54 mi (8,374.29 km) |
| Ontario to Heysham | 5,219.25 mi (8,399.57 km) |
| Ontario to Heywood | 5,260.50 mi (8,465.96 km) |
| Ontario to High Blantyre | 5,106.88 mi (8,218.73 km) |
| Ontario to High Wycombe | 5,395.14 mi (8,682.65 km) |
| Ontario to Highbury | 5,419.68 mi (8,722.13 km) |
| Ontario to Highgate | 5,417.24 mi (8,718.21 km) |
| Ontario to Hilsea | 5,420.73 mi (8,723.83 km) |
| Ontario to Hinckley | 5,333.97 mi (8,584.19 km) |
| Ontario to Hindley | 5,251.90 mi (8,452.12 km) |
| Ontario to Hipperholme | 5,267.34 mi (8,476.96 km) |
| Ontario to Hitchin | 5,395.69 mi (8,683.52 km) |
| Ontario to Hockley | 5,440.94 mi (8,756.34 km) |
