| Potomac to Kothen | 4,137.23 mi (6,658.23 km) |
| Potomac to Kranenburg | 3,905.71 mi (6,285.63 km) |
| Potomac to Krefeld | 3,940.03 mi (6,340.87 km) |
| Potomac to Kressbronn am Bodensee | 4,172.35 mi (6,714.75 km) |
| Potomac to Kreuzau | 3,952.90 mi (6,361.58 km) |
| Potomac to Kreuztal | 4,005.77 mi (6,446.67 km) |
| Potomac to Kriftel | 4,051.05 mi (6,519.53 km) |
| Potomac to Kronach | 4,160.46 mi (6,695.61 km) |
| Potomac to Kronberg | 4,049.47 mi (6,516.99 km) |
| Potomac to Kronshagen | 3,993.26 mi (6,426.53 km) |
| Potomac to Krumbach | 4,183.57 mi (6,732.81 km) |
| Potomac to Kulmbach | 4,168.98 mi (6,709.32 km) |
| Potomac to Kummersbruck | 4,208.27 mi (6,772.56 km) |
| Potomac to Kunzell | 4,087.29 mi (6,577.86 km) |
| Potomac to Kunzelsau | 4,123.89 mi (6,636.75 km) |
