| Sierpc to Belvedere Marittimo | 934.10 mi (1,503.29 km) |
| Sierpc to Benevento | 843.32 mi (1,357.19 km) |
| Sierpc to Bergamo | 669.32 mi (1,077.17 km) |
| Sierpc to Bernalda | 872.70 mi (1,404.48 km) |
| Sierpc to Bertinoro | 694.10 mi (1,117.04 km) |
| Sierpc to Besana in Brianza | 680.79 mi (1,095.63 km) |
| Sierpc to Besozzo | 692.19 mi (1,113.97 km) |
| Sierpc to Biancavilla | 1,077.48 mi (1,734.03 km) |
| Sierpc to Biassono | 684.86 mi (1,102.18 km) |
| Sierpc to Bibbiano | 704.34 mi (1,133.52 km) |
| Sierpc to Bibbiena | 728.95 mi (1,173.14 km) |
| Sierpc to Biella | 726.04 mi (1,168.45 km) |
| Sierpc to Bisceglie | 817.70 mi (1,315.96 km) |
| Sierpc to Bisignano | 937.34 mi (1,508.50 km) |
| Sierpc to Bitetto | 830.05 mi (1,335.83 km) |
