| Carlow to Bressanone | 927.15 mi (1,492.10 km) |
| Carlow to Bresso | 882.22 mi (1,419.80 km) |
| Carlow to Brindisi | 1,436.05 mi (2,311.11 km) |
| Carlow to Broni | 906.59 mi (1,459.01 km) |
| Carlow to Bronte | 1,471.90 mi (2,368.79 km) |
| Carlow to Brugherio | 885.77 mi (1,425.51 km) |
| Carlow to Brugnera | 993.68 mi (1,599.18 km) |
| Carlow to Bruino | 845.11 mi (1,360.07 km) |
| Carlow to Brunico | 935.03 mi (1,504.78 km) |
| Carlow to Brusciano | 1,293.01 mi (2,080.90 km) |
| Carlow to Bucine | 1,066.19 mi (1,715.87 km) |
| Carlow to Budrio | 1,013.48 mi (1,631.03 km) |
| Carlow to Busca | 869.80 mi (1,399.81 km) |
| Carlow to Bussolengo | 947.24 mi (1,524.43 km) |
| Carlow to Busto Arsizio | 866.53 mi (1,394.54 km) |
