| Porvoo to Tonyrefail | 1,263.89 mi (2,034.03 km) |
| Porvoo to Torquay | 1,317.92 mi (2,121.00 km) |
| Porvoo to Torton | 1,184.11 mi (1,905.64 km) |
| Porvoo to Tottenham | 1,154.10 mi (1,857.35 km) |
| Porvoo to Totteridge | 1,156.59 mi (1,861.35 km) |
| Porvoo to Tottington | 1,141.82 mi (1,837.58 km) |
| Porvoo to Towcester | 1,159.83 mi (1,866.57 km) |
| Porvoo to Tranent | 1,077.47 mi (1,734.02 km) |
| Porvoo to Tredegar | 1,249.07 mi (2,010.18 km) |
| Porvoo to Trentham | 1,163.29 mi (1,872.13 km) |
| Porvoo to Tring | 1,164.05 mi (1,873.36 km) |
| Porvoo to Troon | 1,149.08 mi (1,849.27 km) |
| Porvoo to Trowbridge | 1,235.83 mi (1,988.87 km) |
| Porvoo to Truro | 1,377.23 mi (2,216.44 km) |
| Porvoo to Twickenham | 1,169.56 mi (1,882.22 km) |
