| Irthlingborough to Ayamonte | 1,095.52 mi (1,763.07 km) |
| Irthlingborough to Azcoitia | 636.69 mi (1,024.66 km) |
| Irthlingborough to Azpeitia | 636.25 mi (1,023.95 km) |
| Irthlingborough to Azuqueca de Henares | 822.11 mi (1,323.05 km) |
| Irthlingborough to Badajoz | 977.50 mi (1,573.14 km) |
| Irthlingborough to Badalona | 764.24 mi (1,229.92 km) |
| Irthlingborough to Baena | 1,031.82 mi (1,660.55 km) |
| Irthlingborough to Baeza | 1,000.34 mi (1,609.90 km) |
| Irthlingborough to Bailen | 995.59 mi (1,602.24 km) |
| Irthlingborough to Balaguer | 730.82 mi (1,176.15 km) |
| Irthlingborough to Banolas | 722.48 mi (1,162.72 km) |
| Irthlingborough to Baranain | 659.85 mi (1,061.93 km) |
| Irthlingborough to Barbadanes | 771.31 mi (1,241.31 km) |
| Irthlingborough to Barbastro | 711.66 mi (1,145.31 km) |
| Irthlingborough to Barcelona | 767.25 mi (1,234.76 km) |
