| Harrow to Borsbeek | 209.87 mi (337.75 km) |
| Harrow to Boussu | 196.82 mi (316.75 km) |
| Harrow to Braine-l'Alleud | 213.82 mi (344.12 km) |
| Harrow to Braine-le-Chateau | 209.42 mi (337.02 km) |
| Harrow to Braine-le-Comte | 205.90 mi (331.36 km) |
| Harrow to Brasschaat | 209.20 mi (336.68 km) |
| Harrow to Brecht | 214.91 mi (345.86 km) |
| Harrow to Bredene | 145.19 mi (233.65 km) |
| Harrow to Bree | 257.65 mi (414.65 km) |
| Harrow to Bruges | 156.07 mi (251.17 km) |
| Harrow to Brussels | 209.60 mi (337.32 km) |
| Harrow to Buggenhout | 200.50 mi (322.67 km) |
| Harrow to Chapelle-lez-Herlaimont | 215.44 mi (346.72 km) |
| Harrow to Charleroi | 223.32 mi (359.40 km) |
| Harrow to Chatelet | 226.70 mi (364.84 km) |
