| Herndon to Trim | 3,368.20 mi (5,420.60 km) |
| Herndon to Tuam | 3,286.08 mi (5,288.43 km) |
| Herndon to Tullamore | 3,344.09 mi (5,381.79 km) |
| Herndon to Waterford | 3,374.96 mi (5,431.48 km) |
| Herndon to Wexford | 3,401.25 mi (5,473.78 km) |
| Herndon to Wicklow | 3,407.86 mi (5,484.41 km) |
| Herndon to Abano Terme | 4,346.86 mi (6,995.59 km) |
| Herndon to Abbiategrasso | 4,222.89 mi (6,796.08 km) |
| Herndon to Acate | 4,767.24 mi (7,672.13 km) |
| Herndon to Acerra | 4,614.23 mi (7,425.88 km) |
| Herndon to Aci Castello | 4,777.02 mi (7,687.87 km) |
| Herndon to Aci Catena | 4,774.75 mi (7,684.21 km) |
| Herndon to Aci Sant'Antonio | 4,773.99 mi (7,683.00 km) |
| Herndon to Acireale | 4,775.62 mi (7,685.63 km) |
| Herndon to Acquaviva delle Fonti | 4,724.98 mi (7,604.12 km) |
