| Langley Park to Amelia | 4,452.21 mi (7,165.13 km) |
| Langley Park to Anagni | 4,513.44 mi (7,263.69 km) |
| Langley Park to Ancona | 4,462.51 mi (7,181.72 km) |
| Langley Park to Andria | 4,670.53 mi (7,516.49 km) |
| Langley Park to Angri | 4,612.34 mi (7,422.85 km) |
| Langley Park to Anguillara Sabazia | 4,462.01 mi (7,180.91 km) |
| Langley Park to Anzio | 4,500.54 mi (7,242.92 km) |
| Langley Park to Anzola dell'Emilia | 4,330.61 mi (6,969.44 km) |
| Langley Park to Aosta | 4,125.17 mi (6,638.82 km) |
| Langley Park to Apricena | 4,612.26 mi (7,422.72 km) |
| Langley Park to Aprilia | 4,496.65 mi (7,236.66 km) |
| Langley Park to Aradeo | 4,791.96 mi (7,711.91 km) |
| Langley Park to Aragona | 4,693.63 mi (7,553.67 km) |
| Langley Park to Arco | 4,271.94 mi (6,875.02 km) |
| Langley Park to Arcola | 4,288.81 mi (6,902.18 km) |
