| Difficult Run to Aviano | 4,357.73 mi (7,013.09 km) |
| Difficult Run to Avigliana | 4,168.50 mi (6,708.55 km) |
| Difficult Run to Avigliano | 4,682.77 mi (7,536.20 km) |
| Difficult Run to Avola | 4,801.70 mi (7,727.60 km) |
| Difficult Run to Azzano Decimo | 4,369.52 mi (7,032.06 km) |
| Difficult Run to Bacoli | 4,608.15 mi (7,416.10 km) |
| Difficult Run to Badia Polesine | 4,344.48 mi (6,991.77 km) |
| Difficult Run to Bagheria | 4,682.61 mi (7,535.93 km) |
| Difficult Run to Bagnacavallo | 4,388.28 mi (7,062.25 km) |
| Difficult Run to Bagnara Calabra | 4,780.21 mi (7,693.01 km) |
| Difficult Run to Bagno a Ripoli | 4,382.24 mi (7,052.54 km) |
| Difficult Run to Bagnolo in Piano | 4,320.64 mi (6,953.40 km) |
| Difficult Run to Bagnolo Mella | 4,277.25 mi (6,883.56 km) |
| Difficult Run to Barano d'Ischia | 4,603.82 mi (7,409.13 km) |
| Difficult Run to Baranzate | 4,228.16 mi (6,804.57 km) |
