| Pontneddfechan to Tacoma (Washington) | 4,701.87 mi (7,566.93 km) |
| Pontneddfechan to Tahlequah (Oklahoma) | 4,377.27 mi (7,044.54 km) |
| Pontneddfechan to Takoma Park (Maryland) | 3,513.14 mi (5,653.86 km) |
| Pontneddfechan to Talladega (Alabama) | 4,145.38 mi (6,671.35 km) |
| Pontneddfechan to Tallahassee (Florida) | 4,215.49 mi (6,784.17 km) |
| Pontneddfechan to Tallmadge (Ohio) | 3,598.11 mi (5,790.60 km) |
| Pontneddfechan to Tamalpais-Homestead Valley (California) | 5,235.61 mi (8,425.90 km) |
| Pontneddfechan to Tamarac (Florida) | 4,259.38 mi (6,854.82 km) |
| Pontneddfechan to Tamiami (Florida) | 4,288.35 mi (6,901.44 km) |
| Pontneddfechan to Tampa (Florida) | 4,262.20 mi (6,859.35 km) |
| Pontneddfechan to Tanaina (Alaska) | 4,379.18 mi (7,047.60 km) |
| Pontneddfechan to Tanque Verde (Arizona) | 5,157.01 mi (8,299.40 km) |
| Pontneddfechan to Tarboro (North Carolina) | 3,675.66 mi (5,915.41 km) |
| Pontneddfechan to Tarpon Springs (Florida) | 4,267.82 mi (6,868.39 km) |
| Pontneddfechan to Tarrytown (New York) | 3,293.63 mi (5,300.58 km) |
