| Penarth to Myrtle Grove (North Carolina) | 3,794.84 mi (6,107.21 km) |
| Penarth to Nacogdoches (Texas) | 4,606.16 mi (7,412.90 km) |
| Penarth to Nampa (Idaho) | 4,761.75 mi (7,663.30 km) |
| Penarth to Nanakuli (Hawaii) | 7,181.48 mi (11,557.48 km) |
| Penarth to Nanticoke (Pennsylvania) | 3,399.08 mi (5,470.29 km) |
| Penarth to Nanuet (New York) | 3,322.02 mi (5,346.27 km) |
| Penarth to Napa (California) | 5,233.02 mi (8,421.72 km) |
| Penarth to Naperville (Illinois) | 3,859.77 mi (6,211.70 km) |
| Penarth to Naples (Florida) | 4,348.50 mi (6,998.23 km) |
| Penarth to Naranja (Florida) | 4,321.89 mi (6,955.40 km) |
| Penarth to Nashua (New Hampshire) | 3,149.70 mi (5,068.95 km) |
| Penarth to Nashville (Tennessee) | 4,065.46 mi (6,542.73 km) |
| Penarth to Natchez (Mississippi) | 4,478.22 mi (7,206.99 km) |
| Penarth to Natchitoches (Louisiana) | 4,537.86 mi (7,302.98 km) |
| Penarth to National City (California) | 5,384.43 mi (8,665.41 km) |
