| Holyhead to Germantown (Wisconsin) | 3,677.70 mi (5,918.69 km) |
| Holyhead to Gibsonton (Florida) | 4,207.12 mi (6,770.70 km) |
| Holyhead to Gig Harbor (Washington) | 4,590.32 mi (7,387.40 km) |
| Holyhead to Gilbert (Arizona) | 5,039.45 mi (8,110.21 km) |
| Holyhead to Gillette (Wyoming) | 4,240.27 mi (6,824.06 km) |
| Holyhead to Gilroy (California) | 5,151.07 mi (8,289.84 km) |
| Holyhead to Gladeview (Florida) | 4,221.99 mi (6,794.63 km) |
| Holyhead to Gladstone (Missouri) | 4,111.01 mi (6,616.04 km) |
| Holyhead to Gladstone (Oregon) | 4,700.65 mi (7,564.96 km) |
| Holyhead to Glasgow (Delaware) | 3,364.01 mi (5,413.85 km) |
| Holyhead to Glasgow (Kentucky) | 3,889.88 mi (6,260.15 km) |
| Holyhead to Glassboro (New Jersey) | 3,333.97 mi (5,365.50 km) |
| Holyhead to Glassmanor (Maryland) | 3,449.43 mi (5,551.32 km) |
| Holyhead to Glen Allen (Virginia) | 3,523.10 mi (5,669.88 km) |
| Holyhead to Glen Burnie (Maryland) | 3,418.81 mi (5,502.04 km) |
