| Boulder to Bad Wildungen | 5,002.74 mi (8,051.13 km) |
| Boulder to Bad Windsheim | 5,121.28 mi (8,241.90 km) |
| Boulder to Bad Worishofen | 5,199.32 mi (8,367.49 km) |
| Boulder to Bad Wurzach | 5,180.89 mi (8,337.84 km) |
| Boulder to Bad Zwischenahn | 4,871.85 mi (7,840.48 km) |
| Boulder to Baden-Baden | 5,085.05 mi (8,183.60 km) |
| Boulder to Baesweiler | 4,918.08 mi (7,914.88 km) |
| Boulder to Baiersbronn | 5,101.52 mi (8,210.10 km) |
| Boulder to Balingen | 5,128.56 mi (8,253.62 km) |
| Boulder to Ballenstedt | 5,040.20 mi (8,111.42 km) |
| Boulder to Balve | 4,952.77 mi (7,970.71 km) |
| Boulder to Bamberg | 5,117.46 mi (8,235.75 km) |
| Boulder to Bannewitz | 5,151.28 mi (8,290.19 km) |
| Boulder to Bargteheide | 4,915.58 mi (7,910.85 km) |
| Boulder to Barleben | 5,029.11 mi (8,093.57 km) |
