| Penafiel to Kikinda | 1,466.22 mi (2,359.66 km) |
| Penafiel to Kladovo | 1,571.31 mi (2,528.78 km) |
| Penafiel to Knic | 1,479.98 mi (2,381.81 km) |
| Penafiel to Knjazevac | 1,567.46 mi (2,522.59 km) |
| Penafiel to Koceljeva | 1,433.71 mi (2,307.33 km) |
| Penafiel to Kosjeric | 1,439.98 mi (2,317.43 km) |
| Penafiel to Kovacica | 1,473.43 mi (2,371.26 km) |
| Penafiel to Kovin | 1,490.46 mi (2,398.66 km) |
| Penafiel to Kragujevac | 1,490.72 mi (2,399.08 km) |
| Penafiel to Kraljevo | 1,479.23 mi (2,380.58 km) |
| Penafiel to Krupanj | 1,412.09 mi (2,272.53 km) |
| Penafiel to Krusevac | 1,511.76 mi (2,432.94 km) |
| Penafiel to Kucevo | 1,525.34 mi (2,454.80 km) |
| Penafiel to Kula | 1,421.39 mi (2,287.50 km) |
| Penafiel to Kursumlija | 1,511.25 mi (2,432.12 km) |
