| Difficult Run to Kothen | 4,148.53 mi (6,676.42 km) |
| Difficult Run to Kranenburg | 3,917.01 mi (6,303.82 km) |
| Difficult Run to Krefeld | 3,951.33 mi (6,359.06 km) |
| Difficult Run to Kressbronn am Bodensee | 4,183.63 mi (6,732.90 km) |
| Difficult Run to Kreuzau | 3,964.20 mi (6,379.77 km) |
| Difficult Run to Kreuztal | 4,017.08 mi (6,464.86 km) |
| Difficult Run to Kriftel | 4,062.35 mi (6,537.72 km) |
| Difficult Run to Kronach | 4,171.76 mi (6,713.80 km) |
| Difficult Run to Kronberg | 4,060.77 mi (6,535.18 km) |
| Difficult Run to Kronshagen | 4,004.55 mi (6,444.70 km) |
| Difficult Run to Krumbach | 4,194.86 mi (6,750.98 km) |
| Difficult Run to Kulmbach | 4,180.28 mi (6,727.52 km) |
| Difficult Run to Kummersbruck | 4,219.58 mi (6,790.75 km) |
| Difficult Run to Kunzell | 4,098.60 mi (6,596.06 km) |
| Difficult Run to Kunzelsau | 4,135.18 mi (6,654.93 km) |
