| Piqua to Kidricevo | 4,696.30 mi (7,557.96 km) |
| Piqua to Kobarid | 4,616.00 mi (7,428.73 km) |
| Piqua to Kobilje | 4,708.06 mi (7,576.90 km) |
| Piqua to Kocevje | 4,690.34 mi (7,548.37 km) |
| Piqua to Komen | 4,639.72 mi (7,466.92 km) |
| Piqua to Komenda | 4,655.26 mi (7,491.91 km) |
| Piqua to Koper | 4,649.53 mi (7,482.69 km) |
| Piqua to Kostanjevica na Krki | 4,704.35 mi (7,570.92 km) |
| Piqua to Kostel | 4,697.71 mi (7,560.24 km) |
| Piqua to Kozje | 4,700.40 mi (7,564.56 km) |
| Piqua to Kranj | 4,647.48 mi (7,479.40 km) |
| Piqua to Kranjska Gora | 4,614.84 mi (7,426.87 km) |
| Piqua to Krizevci | 4,703.13 mi (7,568.96 km) |
| Piqua to Krsko | 4,702.45 mi (7,567.86 km) |
| Piqua to Kuzma | 4,690.04 mi (7,547.89 km) |
