| Difficult Run to Niederzier | 3,959.53 mi (6,372.25 km) |
| Difficult Run to Niefern-Oschelbronn | 4,109.62 mi (6,613.79 km) |
| Difficult Run to Nierstein | 4,063.34 mi (6,539.31 km) |
| Difficult Run to Niesky | 4,273.67 mi (6,877.80 km) |
| Difficult Run to Nittenau | 4,241.80 mi (6,826.52 km) |
| Difficult Run to Nittendorf | 4,235.02 mi (6,815.61 km) |
| Difficult Run to Nohfelden | 4,022.96 mi (6,474.33 km) |
| Difficult Run to Norden | 3,916.36 mi (6,302.77 km) |
| Difficult Run to Nordenham | 3,966.75 mi (6,383.87 km) |
| Difficult Run to Norderstedt | 4,019.20 mi (6,468.28 km) |
| Difficult Run to Nordhausen | 4,112.43 mi (6,618.32 km) |
| Difficult Run to Nordhorn | 3,941.63 mi (6,343.43 km) |
| Difficult Run to Nordkirchen | 3,978.23 mi (6,402.35 km) |
| Difficult Run to Nordlingen | 4,181.09 mi (6,728.82 km) |
| Difficult Run to Nordstemmen | 4,054.31 mi (6,524.79 km) |
