| Porvoo to Holbeach | 1,097.61 mi (1,766.43 km) |
| Porvoo to Holborn | 1,159.11 mi (1,865.41 km) |
| Porvoo to Hollinwood | 1,139.11 mi (1,833.22 km) |
| Porvoo to Holyhead | 1,230.91 mi (1,980.96 km) |
| Porvoo to Holywell | 1,185.03 mi (1,907.13 km) |
| Porvoo to Honiton | 1,291.57 mi (2,078.58 km) |
| Porvoo to Horbury | 1,113.85 mi (1,792.56 km) |
| Porvoo to Horley | 1,177.08 mi (1,894.33 km) |
| Porvoo to Hornchurch | 1,147.01 mi (1,845.94 km) |
| Porvoo to Horndean | 1,215.58 mi (1,956.29 km) |
| Porvoo to Hornsey | 1,156.18 mi (1,860.70 km) |
| Porvoo to Horsell | 1,182.33 mi (1,902.77 km) |
| Porvoo to Horsforth | 1,109.65 mi (1,785.81 km) |
| Porvoo to Horsham | 1,187.21 mi (1,910.63 km) |
| Porvoo to Horwich | 1,149.38 mi (1,849.75 km) |
