| Carlow to Azcoitia | 699.86 mi (1,126.31 km) |
| Carlow to Azpeitia | 700.31 mi (1,127.04 km) |
| Carlow to Azuqueca de Henares | 864.80 mi (1,391.75 km) |
| Carlow to Badajoz | 963.87 mi (1,551.21 km) |
| Carlow to Badalona | 895.96 mi (1,441.91 km) |
| Carlow to Baena | 1,058.67 mi (1,703.77 km) |
| Carlow to Baeza | 1,039.21 mi (1,672.45 km) |
| Carlow to Bailen | 1,030.16 mi (1,657.88 km) |
| Carlow to Balaguer | 843.39 mi (1,357.30 km) |
| Carlow to Banolas | 865.93 mi (1,393.58 km) |
| Carlow to Baranain | 734.34 mi (1,181.81 km) |
| Carlow to Barbadanes | 728.97 mi (1,173.17 km) |
| Carlow to Barbastro | 814.58 mi (1,310.94 km) |
| Carlow to Barcelona | 897.89 mi (1,445.01 km) |
| Carlow to Bargas | 901.21 mi (1,450.36 km) |
