| Rio Maior to Karditsa | 1,640.15 mi (2,639.57 km) |
| Rio Maior to Kastoria | 1,594.46 mi (2,566.04 km) |
| Rio Maior to Katerini | 1,661.06 mi (2,673.22 km) |
| Rio Maior to Keratsini | 1,749.45 mi (2,815.47 km) |
| Rio Maior to Kerkyra | 1,532.30 mi (2,465.99 km) |
| Rio Maior to Kiato | 1,702.77 mi (2,740.35 km) |
| Rio Maior to Kifisia | 1,758.20 mi (2,829.55 km) |
| Rio Maior to Kilkis | 1,673.81 mi (2,693.74 km) |
| Rio Maior to Komotini | 1,804.69 mi (2,904.36 km) |
| Rio Maior to Korinthos | 1,713.33 mi (2,757.35 km) |
| Rio Maior to Koropi | 1,764.12 mi (2,839.08 km) |
| Rio Maior to Korydallos | 1,750.95 mi (2,817.88 km) |
| Rio Maior to Kos | 1,961.04 mi (3,155.99 km) |
| Rio Maior to Kozani | 1,623.33 mi (2,612.49 km) |
| Rio Maior to Lagos | 1,784.76 mi (2,872.29 km) |
