| Penafiel to Karditsa | 1,588.81 mi (2,556.94 km) |
| Penafiel to Kastoria | 1,537.45 mi (2,474.29 km) |
| Penafiel to Katerini | 1,604.52 mi (2,582.23 km) |
| Penafiel to Keratsini | 1,703.65 mi (2,741.76 km) |
| Penafiel to Kerkyra | 1,481.27 mi (2,383.87 km) |
| Penafiel to Kiato | 1,657.71 mi (2,667.83 km) |
| Penafiel to Kifisia | 1,711.61 mi (2,754.56 km) |
| Penafiel to Kilkis | 1,613.34 mi (2,596.41 km) |
| Penafiel to Komotini | 1,742.12 mi (2,803.68 km) |
| Penafiel to Korinthos | 1,668.44 mi (2,685.10 km) |
| Penafiel to Koropi | 1,718.37 mi (2,765.46 km) |
| Penafiel to Korydallos | 1,705.03 mi (2,743.99 km) |
| Penafiel to Kos | 1,916.41 mi (3,084.16 km) |
| Penafiel to Kozani | 1,567.12 mi (2,522.04 km) |
| Penafiel to Lagos | 1,722.59 mi (2,772.24 km) |
