| Penarth to Westland (Michigan) | 3,647.28 mi (5,869.73 km) |
| Penarth to Westminster (California) | 5,353.41 mi (8,615.48 km) |
| Penarth to Westminster (Colorado) | 4,577.40 mi (7,366.61 km) |
| Penarth to Westminster (Maryland) | 3,510.49 mi (5,649.58 km) |
| Penarth to Westmont (California) | 5,352.97 mi (8,614.78 km) |
| Penarth to Westmont (Illinois) | 3,850.22 mi (6,196.32 km) |
| Penarth to Westmont (New Jersey) | 3,415.68 mi (5,497.01 km) |
| Penarth to Weston (Florida) | 4,291.82 mi (6,907.02 km) |
| Penarth to Weston (Wisconsin) | 3,770.50 mi (6,068.04 km) |
| Penarth to Westphalia (Maryland) | 3,535.97 mi (5,690.60 km) |
| Penarth to Westview (Florida) | 4,295.77 mi (6,913.37 km) |
| Penarth to Westwood (New Jersey) | 3,327.21 mi (5,354.63 km) |
| Penarth to Westwood Lakes (Florida) | 4,309.30 mi (6,935.15 km) |
| Penarth to Wheat Ridge (Colorado) | 4,584.54 mi (7,378.10 km) |
| Penarth to Wheaton (Illinois) | 3,852.62 mi (6,200.19 km) |
