| Dundalk to Thornaby on Tees | 3,518.09 mi (5,661.83 km) |
| Dundalk to Thornbury | 3,525.93 mi (5,674.44 km) |
| Dundalk to Thorne | 3,549.46 mi (5,712.30 km) |
| Dundalk to Thornton | 3,510.93 mi (5,650.29 km) |
| Dundalk to Thornton Heath | 3,629.32 mi (5,840.82 km) |
| Dundalk to Thorpe Saint Andrew | 3,660.66 mi (5,891.26 km) |
| Dundalk to Thundersley | 3,654.02 mi (5,880.58 km) |
| Dundalk to Tilbury | 3,647.03 mi (5,869.33 km) |
| Dundalk to Tilehurst | 3,589.94 mi (5,777.44 km) |
| Dundalk to Timperley | 3,499.55 mi (5,631.98 km) |
| Dundalk to Tipton | 3,526.09 mi (5,674.69 km) |
| Dundalk to Tiptree | 3,655.16 mi (5,882.40 km) |
| Dundalk to Tiverton | 3,500.20 mi (5,633.03 km) |
| Dundalk to Todmorden | 3,502.68 mi (5,637.02 km) |
| Dundalk to Tonbridge | 3,649.54 mi (5,873.37 km) |
