| Cities | Distance |
|---|---|
| Harrow to Ayamonte | 1,051.85 mi (1,692.79 km) |
| Harrow to Azcoitia | 587.85 mi (946.06 km) |
| Harrow to Azpeitia | 587.35 mi (945.24 km) |
| Harrow to Azuqueca de Henares | 773.94 mi (1,245.53 km) |
| Harrow to Badajoz | 934.15 mi (1,503.36 km) |
| Harrow to Badalona | 711.84 mi (1,145.60 km) |
| Harrow to Baena | 984.21 mi (1,583.93 km) |
| Harrow to Baeza | 951.84 mi (1,531.83 km) |
| Harrow to Bailen | 947.44 mi (1,524.76 km) |
| Harrow to Balaguer | 678.82 mi (1,092.46 km) |
| Harrow to Banolas | 670.09 mi (1,078.40 km) |
| Harrow to Baranain | 610.02 mi (981.73 km) |
| Harrow to Barbadanes | 732.98 mi (1,179.62 km) |
| Harrow to Barbastro | 660.04 mi (1,062.24 km) |
| Harrow to Barcelona | 714.86 mi (1,150.46 km) |