| Herndon to Arcore | 4,232.55 mi (6,811.64 km) |
| Herndon to Ardea | 4,509.77 mi (7,257.78 km) |
| Herndon to Arenzano | 4,244.75 mi (6,831.27 km) |
| Herndon to Arese | 4,224.52 mi (6,798.71 km) |
| Herndon to Arezzo | 4,415.41 mi (7,105.91 km) |
| Herndon to Argelato | 4,354.49 mi (7,007.88 km) |
| Herndon to Argenta | 4,373.93 mi (7,039.16 km) |
| Herndon to Ariano Irpino | 4,638.49 mi (7,464.93 km) |
| Herndon to Ariccia | 4,511.36 mi (7,260.33 km) |
| Herndon to Arluno | 4,220.40 mi (6,792.08 km) |
| Herndon to Arona | 4,196.21 mi (6,753.16 km) |
| Herndon to Artena | 4,521.79 mi (7,277.11 km) |
| Herndon to Arzachena | 4,386.92 mi (7,060.06 km) |
| Herndon to Arzano | 4,611.04 mi (7,420.75 km) |
| Herndon to Arzignano | 4,322.25 mi (6,955.99 km) |
