| Langley Park to Arcore | 4,214.35 mi (6,782.34 km) |
| Langley Park to Ardea | 4,491.03 mi (7,227.62 km) |
| Langley Park to Arenzano | 4,226.24 mi (6,801.48 km) |
| Langley Park to Arese | 4,206.28 mi (6,769.36 km) |
| Langley Park to Arezzo | 4,396.97 mi (7,076.23 km) |
| Langley Park to Argelato | 4,336.23 mi (6,978.49 km) |
| Langley Park to Argenta | 4,355.72 mi (7,009.85 km) |
| Langley Park to Ariano Irpino | 4,619.88 mi (7,434.98 km) |
| Langley Park to Ariccia | 4,492.65 mi (7,230.21 km) |
| Langley Park to Arluno | 4,202.14 mi (6,762.69 km) |
| Langley Park to Arona | 4,177.98 mi (6,723.81 km) |
| Langley Park to Artena | 4,503.10 mi (7,247.04 km) |
| Langley Park to Arzachena | 4,367.83 mi (7,029.34 km) |
| Langley Park to Arzano | 4,592.32 mi (7,390.62 km) |
| Langley Park to Arzignano | 4,304.19 mi (6,926.92 km) |
