| Herndon to Acqui Terme | 4,226.74 mi (6,802.28 km) |
| Herndon to Acri | 4,758.00 mi (7,657.27 km) |
| Herndon to Adelfia | 4,721.90 mi (7,599.16 km) |
| Herndon to Adrano | 4,758.53 mi (7,658.12 km) |
| Herndon to Adria | 4,368.39 mi (7,030.24 km) |
| Herndon to Afragola | 4,613.25 mi (7,424.31 km) |
| Herndon to Agliana | 4,362.33 mi (7,020.50 km) |
| Herndon to Agrate Brianza | 4,235.59 mi (6,816.52 km) |
| Herndon to Agrigento | 4,714.62 mi (7,587.45 km) |
| Herndon to Agropoli | 4,663.77 mi (7,505.61 km) |
| Herndon to Ala | 4,300.39 mi (6,920.80 km) |
| Herndon to Alassio | 4,235.35 mi (6,816.14 km) |
| Herndon to Alatri | 4,540.80 mi (7,307.71 km) |
| Herndon to Alba | 4,207.03 mi (6,770.56 km) |
| Herndon to Albano Laziale | 4,510.76 mi (7,259.37 km) |
