| Carlow to Brandenburg | 814.42 mi (1,310.69 km) |
| Carlow to Brandis | 833.47 mi (1,341.33 km) |
| Carlow to Braunfels | 673.98 mi (1,084.67 km) |
| Carlow to Braunsbedra | 804.79 mi (1,295.18 km) |
| Carlow to Braunschweig | 732.32 mi (1,178.55 km) |
| Carlow to Breckerfeld | 620.18 mi (998.09 km) |
| Carlow to Breisach am Rhein | 717.91 mi (1,155.36 km) |
| Carlow to Bremen | 653.71 mi (1,052.05 km) |
| Carlow to Bremerhaven | 642.93 mi (1,034.69 km) |
| Carlow to Bremervorde | 665.68 mi (1,071.31 km) |
| Carlow to Bretten | 727.82 mi (1,171.31 km) |
| Carlow to Bretzfeld | 752.77 mi (1,211.47 km) |
| Carlow to Brieselang | 831.90 mi (1,338.82 km) |
| Carlow to Brilon | 663.74 mi (1,068.19 km) |
| Carlow to Bruchhausen-Vilsen | 663.67 mi (1,068.08 km) |
