| Difficult Run to Arlesheim | 4,104.01 mi (6,604.77 km) |
| Difficult Run to Arth | 4,155.07 mi (6,686.94 km) |
| Difficult Run to Baar | 4,150.58 mi (6,679.72 km) |
| Difficult Run to Baden | 4,133.32 mi (6,651.94 km) |
| Difficult Run to Basel | 4,100.89 mi (6,599.75 km) |
| Difficult Run to Bassersdorf | 4,147.80 mi (6,675.24 km) |
| Difficult Run to Bellinzona | 4,203.58 mi (6,765.01 km) |
| Difficult Run to Belp | 4,116.93 mi (6,625.56 km) |
| Difficult Run to Bern | 4,113.11 mi (6,619.41 km) |
| Difficult Run to Bernex | 4,077.23 mi (6,561.67 km) |
| Difficult Run to Biberist | 4,110.72 mi (6,615.57 km) |
| Difficult Run to Biel/Bienne | 4,099.16 mi (6,596.96 km) |
| Difficult Run to Binningen | 4,100.53 mi (6,599.16 km) |
| Difficult Run to Birsfelden | 4,102.31 mi (6,602.03 km) |
| Difficult Run to Brig-Glis | 4,154.50 mi (6,686.02 km) |
