| Piqua to Kothen | 4,345.78 mi (6,993.86 km) |
| Piqua to Kranenburg | 4,124.66 mi (6,637.99 km) |
| Piqua to Krefeld | 4,160.68 mi (6,695.97 km) |
| Piqua to Kressbronn am Bodensee | 4,407.88 mi (7,093.80 km) |
| Piqua to Kreuzau | 4,177.05 mi (6,722.31 km) |
| Piqua to Kreuztal | 4,226.05 mi (6,801.17 km) |
| Piqua to Kriftel | 4,275.37 mi (6,880.55 km) |
| Piqua to Kronach | 4,378.49 mi (7,046.49 km) |
| Piqua to Kronberg | 4,273.18 mi (6,877.01 km) |
| Piqua to Kronshagen | 4,190.16 mi (6,743.41 km) |
| Piqua to Krumbach | 4,414.16 mi (7,103.91 km) |
| Piqua to Kulmbach | 4,387.57 mi (7,061.12 km) |
| Piqua to Kummersbruck | 4,429.67 mi (7,128.86 km) |
| Piqua to Kunzell | 4,306.70 mi (6,930.96 km) |
| Piqua to Kunzelsau | 4,350.30 mi (7,001.13 km) |
