| Boulder to Zilina | 5,391.40 mi (8,676.62 km) |
| Boulder to Zlate Moravce | 5,425.60 mi (8,731.66 km) |
| Boulder to Zvolen | 5,436.86 mi (8,749.78 km) |
| Boulder to Ajdovscina | 5,413.22 mi (8,711.74 km) |
| Boulder to Ankaran | 5,423.04 mi (8,727.54 km) |
| Boulder to Apace | 5,436.48 mi (8,749.18 km) |
| Boulder to Beltinci | 5,451.33 mi (8,773.07 km) |
| Boulder to Benedikt | 5,440.27 mi (8,755.26 km) |
| Boulder to Bistrica ob Sotli | 5,461.38 mi (8,789.24 km) |
| Boulder to Bled | 5,395.52 mi (8,683.25 km) |
| Boulder to Bohinjska Bistrica | 5,395.03 mi (8,682.47 km) |
| Boulder to Borovnica | 5,426.18 mi (8,732.59 km) |
| Boulder to Bovec | 5,378.75 mi (8,656.26 km) |
| Boulder to Braslovce | 5,429.52 mi (8,737.98 km) |
| Boulder to Brezice | 5,466.98 mi (8,798.25 km) |
