| Harrow to Alesd | 1,065.96 mi (1,715.50 km) |
| Harrow to Alexandria | 1,294.52 mi (2,083.32 km) |
| Harrow to Arad | 1,047.91 mi (1,686.44 km) |
| Harrow to Avrig | 1,192.39 mi (1,918.96 km) |
| Harrow to Babadag | 1,404.93 mi (2,261.02 km) |
| Harrow to Bacau | 1,272.87 mi (2,048.48 km) |
| Harrow to Baia Mare | 1,099.25 mi (1,769.07 km) |
| Harrow to Baia-Sprie | 1,104.63 mi (1,777.73 km) |
| Harrow to Baicoi | 1,277.92 mi (2,056.61 km) |
| Harrow to Bailesti | 1,210.01 mi (1,947.32 km) |
| Harrow to Bals | 1,228.84 mi (1,977.63 km) |
| Harrow to Baraolt | 1,232.40 mi (1,983.36 km) |
| Harrow to Barlad | 1,316.11 mi (2,118.08 km) |
| Harrow to Beclean | 1,138.36 mi (1,832.01 km) |
| Harrow to Beius | 1,076.35 mi (1,732.22 km) |
