| Risca to Town and Country (Missouri) | 4,093.14 mi (6,587.27 km) |
| Risca to Towson (Maryland) | 3,502.35 mi (5,636.48 km) |
| Risca to Tracy (California) | 5,233.39 mi (8,422.33 km) |
| Risca to Traverse City (Michigan) | 3,624.69 mi (5,833.37 km) |
| Risca to Travilah (Maryland) | 3,543.09 mi (5,702.05 km) |
| Risca to Trenton (Michigan) | 3,646.00 mi (5,867.67 km) |
| Risca to Trenton (New Jersey) | 3,389.84 mi (5,455.42 km) |
| Risca to Trenton (Ohio) | 3,816.20 mi (6,141.59 km) |
| Risca to Triangle (Virginia) | 3,568.76 mi (5,743.36 km) |
| Risca to Trinity (Florida) | 4,284.67 mi (6,895.51 km) |
| Risca to Trophy Club (Texas) | 4,633.70 mi (7,457.23 km) |
| Risca to Trotwood (Ohio) | 3,796.05 mi (6,109.16 km) |
| Risca to Troutdale (Oregon) | 4,817.75 mi (7,753.41 km) |
| Risca to Troy (Alabama) | 4,243.18 mi (6,828.73 km) |
| Risca to Troy (Illinois) | 4,065.92 mi (6,543.47 km) |
