| Holyhead to Newport East (Rhode Island) | 3,099.77 mi (4,988.60 km) |
| Holyhead to Newport News (Virginia) | 3,510.55 mi (5,649.68 km) |
| Holyhead to Newton (Iowa) | 3,932.89 mi (6,329.37 km) |
| Holyhead to Newton (Kansas) | 4,273.25 mi (6,877.13 km) |
| Holyhead to Newton (Massachusetts) | 3,061.41 mi (4,926.86 km) |
| Holyhead to Newton (North Carolina) | 3,769.00 mi (6,065.62 km) |
| Holyhead to Niagara Falls (New York) | 3,336.91 mi (5,370.23 km) |
| Holyhead to Niceville (Florida) | 4,234.78 mi (6,815.23 km) |
| Holyhead to Nicholasville (Kentucky) | 3,793.78 mi (6,105.49 km) |
| Holyhead to Niles (Illinois) | 3,722.28 mi (5,990.43 km) |
| Holyhead to Niles (Michigan) | 3,672.14 mi (5,909.74 km) |
| Holyhead to Niles (Ohio) | 3,490.02 mi (5,616.64 km) |
| Holyhead to Nipomo (California) | 5,230.94 mi (8,418.38 km) |
| Holyhead to Nixa (Missouri) | 4,172.01 mi (6,714.20 km) |
| Holyhead to Noblesville (Indiana) | 3,747.34 mi (6,030.77 km) |
