| Pontypridd to San Luis Obispo (California) | 5,341.50 mi (8,596.32 km) |
| Pontypridd to San Marcos (California) | 5,347.47 mi (8,605.92 km) |
| Pontypridd to San Marcos (Texas) | 4,814.59 mi (7,748.34 km) |
| Pontypridd to San Marino (California) | 5,323.27 mi (8,566.97 km) |
| Pontypridd to San Mateo (California) | 5,262.38 mi (8,468.98 km) |
| Pontypridd to San Pablo (California) | 5,239.80 mi (8,432.64 km) |
| Pontypridd to San Rafael (California) | 5,243.69 mi (8,438.90 km) |
| Pontypridd to San Ramon (California) | 5,238.83 mi (8,431.08 km) |
| Pontypridd to San Tan Valley (Arizona) | 5,151.15 mi (8,289.97 km) |
| Pontypridd to Sand Springs (Oklahoma) | 4,424.63 mi (7,120.76 km) |
| Pontypridd to Sandusky (Ohio) | 3,647.53 mi (5,870.13 km) |
| Pontypridd to Sandy (Oregon) | 4,815.30 mi (7,749.47 km) |
| Pontypridd to Sandy (Utah) | 4,760.74 mi (7,661.67 km) |
| Pontypridd to Sandy Springs (Georgia) | 4,063.32 mi (6,539.28 km) |
| Pontypridd to Sanford (Florida) | 4,185.62 mi (6,736.10 km) |
