| Boulogne-sur-Mer to Ardea | 816.73 mi (1,314.39 km) |
| Boulogne-sur-Mer to Arenzano | 546.58 mi (879.63 km) |
| Boulogne-sur-Mer to Arese | 495.48 mi (797.41 km) |
| Boulogne-sur-Mer to Arezzo | 695.11 mi (1,118.67 km) |
| Boulogne-sur-Mer to Argelato | 620.22 mi (998.15 km) |
| Boulogne-sur-Mer to Argenta | 634.83 mi (1,021.66 km) |
| Boulogne-sur-Mer to Ariano Irpino | 922.82 mi (1,485.13 km) |
| Boulogne-sur-Mer to Ariccia | 814.70 mi (1,311.14 km) |
| Boulogne-sur-Mer to Arluno | 493.89 mi (794.83 km) |
| Boulogne-sur-Mer to Arona | 468.68 mi (754.26 km) |
| Boulogne-sur-Mer to Artena | 821.49 mi (1,322.06 km) |
| Boulogne-sur-Mer to Arzachena | 762.84 mi (1,227.68 km) |
| Boulogne-sur-Mer to Arzano | 908.82 mi (1,462.60 km) |
| Boulogne-sur-Mer to Arzignano | 574.09 mi (923.91 km) |
| Boulogne-sur-Mer to Ascoli Piceno | 783.53 mi (1,260.96 km) |
