| Boulogne-sur-Mer to Antwerp | 125.85 mi (202.54 km) |
| Boulogne-sur-Mer to Anzegem | 81.75 mi (131.56 km) |
| Boulogne-sur-Mer to Ardooie | 70.41 mi (113.32 km) |
| Boulogne-sur-Mer to Arendonk | 156.15 mi (251.31 km) |
| Boulogne-sur-Mer to Arlon | 199.28 mi (320.70 km) |
| Boulogne-sur-Mer to Asse | 113.50 mi (182.65 km) |
| Boulogne-sur-Mer to Assebroek | 78.32 mi (126.05 km) |
| Boulogne-sur-Mer to Assenede | 99.27 mi (159.75 km) |
| Boulogne-sur-Mer to Ath | 94.53 mi (152.14 km) |
| Boulogne-sur-Mer to Aubange | 202.06 mi (325.18 km) |
| Boulogne-sur-Mer to Avelgem | 80.05 mi (128.82 km) |
| Boulogne-sur-Mer to Awans | 168.47 mi (271.12 km) |
| Boulogne-sur-Mer to Aywaille | 178.85 mi (287.84 km) |
| Boulogne-sur-Mer to Balen | 156.86 mi (252.44 km) |
| Boulogne-sur-Mer to Bassenge | 174.62 mi (281.02 km) |
