| Piqua to Kanjiza | 4,872.73 mi (7,841.90 km) |
| Piqua to Kikinda | 4,897.80 mi (7,882.25 km) |
| Piqua to Kladovo | 5,032.84 mi (8,099.57 km) |
| Piqua to Knic | 4,991.02 mi (8,032.27 km) |
| Piqua to Knjazevac | 5,075.39 mi (8,168.04 km) |
| Piqua to Koceljeva | 4,931.91 mi (7,937.14 km) |
| Piqua to Kosjeric | 4,956.45 mi (7,976.63 km) |
| Piqua to Kovacica | 4,935.43 mi (7,942.81 km) |
| Piqua to Kovin | 4,964.28 mi (7,989.23 km) |
| Piqua to Kragujevac | 4,995.34 mi (8,039.23 km) |
| Piqua to Kraljevo | 4,998.31 mi (8,044.00 km) |
| Piqua to Krupanj | 4,919.35 mi (7,916.93 km) |
| Piqua to Krusevac | 5,029.17 mi (8,093.66 km) |
| Piqua to Kucevo | 5,002.59 mi (8,050.88 km) |
| Piqua to Kula | 4,873.08 mi (7,842.46 km) |
