| Rennes to Bierun Stary | 946.36 mi (1,523.02 km) |
| Rennes to Bilgoraj | 1,106.84 mi (1,781.28 km) |
| Rennes to Biskupiec | 1,056.31 mi (1,699.96 km) |
| Rennes to Blachownia | 942.29 mi (1,516.46 km) |
| Rennes to Blonie | 1,021.93 mi (1,644.64 km) |
| Rennes to Bochnia | 1,005.90 mi (1,618.84 km) |
| Rennes to Bogatynia | 769.04 mi (1,237.65 km) |
| Rennes to Boguszow-Gorce | 821.70 mi (1,322.40 km) |
| Rennes to Boleslawiec | 798.91 mi (1,285.72 km) |
| Rennes to Braniewo | 1,020.85 mi (1,642.89 km) |
| Rennes to Brodnica | 984.16 mi (1,583.85 km) |
| Rennes to Brwinow | 1,025.65 mi (1,650.62 km) |
| Rennes to Brzeg | 878.13 mi (1,413.21 km) |
| Rennes to Brzeg Dolny | 848.31 mi (1,365.23 km) |
| Rennes to Brzesko | 1,014.07 mi (1,631.99 km) |
