| Zagarolo to Blackburn | 1,083.05 mi (1,743.00 km) |
| Zagarolo to Blackpool | 1,103.20 mi (1,775.43 km) |
| Zagarolo to Blairgowrie | 1,247.32 mi (2,007.37 km) |
| Zagarolo to Blandford Forum | 945.68 mi (1,521.92 km) |
| Zagarolo to Blaydon | 1,121.56 mi (1,804.97 km) |
| Zagarolo to Bletchley | 947.09 mi (1,524.20 km) |
| Zagarolo to Bloxwich | 1,015.70 mi (1,634.62 km) |
| Zagarolo to Blunsdon Saint Andrew | 964.15 mi (1,551.65 km) |
| Zagarolo to Blyth | 1,124.59 mi (1,809.84 km) |
| Zagarolo to Bo'ness | 1,225.25 mi (1,971.85 km) |
| Zagarolo to Bodmin | 1,026.16 mi (1,651.44 km) |
| Zagarolo to Bognor Regis | 890.76 mi (1,433.54 km) |
| Zagarolo to Bolsover | 1,022.88 mi (1,646.16 km) |
| Zagarolo to Bolton | 1,073.44 mi (1,727.53 km) |
| Zagarolo to Bonhill | 1,249.70 mi (2,011.19 km) |
