| Risca to Tacoma (Washington) | 4,723.30 mi (7,601.42 km) |
| Risca to Tahlequah (Oklahoma) | 4,400.86 mi (7,082.51 km) |
| Risca to Takoma Park (Maryland) | 3,536.43 mi (5,691.33 km) |
| Risca to Talladega (Alabama) | 4,168.74 mi (6,708.93 km) |
| Risca to Tallahassee (Florida) | 4,238.58 mi (6,821.33 km) |
| Risca to Tallmadge (Ohio) | 3,621.63 mi (5,828.46 km) |
| Risca to Tamalpais-Homestead Valley (California) | 5,257.90 mi (8,461.77 km) |
| Risca to Tamarac (Florida) | 4,281.81 mi (6,890.91 km) |
| Risca to Tamiami (Florida) | 4,310.75 mi (6,937.48 km) |
| Risca to Tampa (Florida) | 4,284.98 mi (6,896.01 km) |
| Risca to Tanaina (Alaska) | 4,395.20 mi (7,073.40 km) |
| Risca to Tanque Verde (Arizona) | 5,180.39 mi (8,337.03 km) |
| Risca to Tarboro (North Carolina) | 3,698.76 mi (5,952.58 km) |
| Risca to Tarpon Springs (Florida) | 4,290.63 mi (6,905.11 km) |
| Risca to Tarrytown (New York) | 3,316.92 mi (5,338.07 km) |
