| Karlovac to Blackburn | 984.25 mi (1,584.01 km) |
| Karlovac to Blackpool | 1,006.92 mi (1,620.49 km) |
| Karlovac to Blairgowrie | 1,116.77 mi (1,797.27 km) |
| Karlovac to Blandford Forum | 893.81 mi (1,438.45 km) |
| Karlovac to Blaydon | 1,001.04 mi (1,611.01 km) |
| Karlovac to Bletchley | 864.76 mi (1,391.69 km) |
| Karlovac to Bloxwich | 931.54 mi (1,499.17 km) |
| Karlovac to Blunsdon Saint Andrew | 895.91 mi (1,441.83 km) |
| Karlovac to Blyth | 1,000.65 mi (1,610.39 km) |
| Karlovac to Bo'ness | 1,102.90 mi (1,774.94 km) |
| Karlovac to Bodmin | 994.87 mi (1,601.08 km) |
| Karlovac to Bognor Regis | 830.64 mi (1,336.79 km) |
| Karlovac to Bolsover | 924.06 mi (1,487.13 km) |
| Karlovac to Bolton | 976.85 mi (1,572.08 km) |
| Karlovac to Bonhill | 1,132.95 mi (1,823.31 km) |
