| Rhondda to Troy (Michigan) | 3,611.60 mi (5,812.31 km) |
| Rhondda to Troy (Missouri) | 4,083.16 mi (6,571.21 km) |
| Rhondda to Troy (New York) | 3,225.68 mi (5,191.22 km) |
| Rhondda to Troy (Ohio) | 3,767.50 mi (6,063.21 km) |
| Rhondda to Truckee (California) | 5,092.02 mi (8,194.81 km) |
| Rhondda to Trujillo Alto (Puerto Rico) | 4,061.96 mi (6,537.09 km) |
| Rhondda to Trumbull Center (Connecticut) | 3,267.73 mi (5,258.91 km) |
| Rhondda to Trussville (Alabama) | 4,164.88 mi (6,702.72 km) |
| Rhondda to Tualatin (Oregon) | 4,827.84 mi (7,769.66 km) |
| Rhondda to Tuckahoe (Virginia) | 3,609.34 mi (5,808.68 km) |
| Rhondda to Tucker (Georgia) | 4,057.51 mi (6,529.93 km) |
| Rhondda to Tucson (Arizona) | 5,179.48 mi (8,335.57 km) |
| Rhondda to Tucson Estates (Arizona) | 5,187.00 mi (8,347.66 km) |
| Rhondda to Tucson Mountains (Arizona) | 5,179.60 mi (8,335.77 km) |
| Rhondda to Tukwila (Washington) | 4,696.02 mi (7,557.51 km) |
