| Holyhead to Myrtle Grove (North Carolina) | 3,708.54 mi (5,968.32 km) |
| Holyhead to Nacogdoches (Texas) | 4,501.83 mi (7,244.99 km) |
| Holyhead to Nampa (Idaho) | 4,627.32 mi (7,446.95 km) |
| Holyhead to Nanakuli (Hawaii) | 7,037.76 mi (11,326.18 km) |
| Holyhead to Nanticoke (Pennsylvania) | 3,302.11 mi (5,314.23 km) |
| Holyhead to Nanuet (New York) | 3,227.62 mi (5,194.36 km) |
| Holyhead to Napa (California) | 5,098.17 mi (8,204.71 km) |
| Holyhead to Naperville (Illinois) | 3,748.85 mi (6,033.19 km) |
| Holyhead to Naples (Florida) | 4,269.78 mi (6,871.55 km) |
| Holyhead to Naranja (Florida) | 4,246.38 mi (6,833.88 km) |
| Holyhead to Nashua (New Hampshire) | 3,054.90 mi (4,916.38 km) |
| Holyhead to Nashville (Tennessee) | 3,964.25 mi (6,379.84 km) |
| Holyhead to Natchez (Mississippi) | 4,377.97 mi (7,045.67 km) |
| Holyhead to Natchitoches (Louisiana) | 4,435.26 mi (7,137.86 km) |
| Holyhead to National City (California) | 5,256.53 mi (8,459.57 km) |
