| Penarth to Shoreview (Minnesota) | 3,894.33 mi (6,267.32 km) |
| Penarth to Shorewood (Illinois) | 3,872.22 mi (6,231.74 km) |
| Penarth to Shorewood (Wisconsin) | 3,788.14 mi (6,096.42 km) |
| Penarth to Short Hills (New Jersey) | 3,350.02 mi (5,391.33 km) |
| Penarth to Short Pump (Virginia) | 3,621.43 mi (5,828.12 km) |
| Penarth to Show Low (Arizona) | 5,050.70 mi (8,128.31 km) |
| Penarth to Shreveport (Louisiana) | 4,528.87 mi (7,288.51 km) |
| Penarth to Sicklerville (New Jersey) | 3,420.18 mi (5,504.26 km) |
| Penarth to Sidney (Ohio) | 3,769.00 mi (6,065.61 km) |
| Penarth to Sierra Madre (California) | 5,331.85 mi (8,580.79 km) |
| Penarth to Sierra Vista (Arizona) | 5,207.30 mi (8,380.34 km) |
| Penarth to Sierra Vista Southeast (Arizona) | 5,209.71 mi (8,384.22 km) |
| Penarth to Signal Hill (California) | 5,356.35 mi (8,620.22 km) |
| Penarth to Sikeston (Missouri) | 4,143.61 mi (6,668.49 km) |
| Penarth to Siloam Springs (Arkansas) | 4,372.21 mi (7,036.39 km) |
