| Difficult Run to Antwerp | 3,867.75 mi (6,224.54 km) |
| Difficult Run to Anzegem | 3,840.21 mi (6,180.22 km) |
| Difficult Run to Ardooie | 3,824.90 mi (6,155.58 km) |
| Difficult Run to Arendonk | 3,892.61 mi (6,264.54 km) |
| Difficult Run to Arlon | 3,966.00 mi (6,382.67 km) |
| Difficult Run to Asse | 3,867.79 mi (6,224.61 km) |
| Difficult Run to Assebroek | 3,821.82 mi (6,150.62 km) |
| Difficult Run to Assenede | 3,841.17 mi (6,181.77 km) |
| Difficult Run to Ath | 3,857.44 mi (6,207.95 km) |
| Difficult Run to Aubange | 3,968.74 mi (6,387.07 km) |
| Difficult Run to Avelgem | 3,840.29 mi (6,180.35 km) |
| Difficult Run to Awans | 3,924.97 mi (6,316.63 km) |
| Difficult Run to Aywaille | 3,938.68 mi (6,338.69 km) |
| Difficult Run to Balen | 3,899.18 mi (6,275.12 km) |
| Difficult Run to Bassenge | 3,928.39 mi (6,322.14 km) |
