| Difficult Run to Zierikzee | 3,837.45 mi (6,175.79 km) |
| Difficult Run to Zoetermeer | 3,850.28 mi (6,196.42 km) |
| Difficult Run to Zoeterwoude | 3,848.61 mi (6,193.75 km) |
| Difficult Run to Zuidhorn | 3,894.49 mi (6,267.58 km) |
| Difficult Run to Zuidlaren | 3,909.43 mi (6,291.62 km) |
| Difficult Run to Zundert | 3,872.08 mi (6,231.50 km) |
| Difficult Run to Zutphen | 3,915.23 mi (6,300.95 km) |
| Difficult Run to Zwijndrecht | 3,862.52 mi (6,216.12 km) |
| Difficult Run to Zwolle | 3,901.72 mi (6,279.21 km) |
| Difficult Run to Alesund | 3,682.90 mi (5,927.06 km) |
| Difficult Run to Alta | 3,956.06 mi (6,366.66 km) |
| Difficult Run to Arendal | 3,851.92 mi (6,199.06 km) |
| Difficult Run to As | 3,890.15 mi (6,260.60 km) |
| Difficult Run to Asker | 3,874.73 mi (6,235.77 km) |
| Difficult Run to Askim | 3,904.59 mi (6,283.84 km) |
