| Piqua to Karditsa | 5,240.53 mi (8,433.81 km) |
| Piqua to Kastoria | 5,162.74 mi (8,308.62 km) |
| Piqua to Katerini | 5,223.27 mi (8,406.04 km) |
| Piqua to Keratsini | 5,373.27 mi (8,647.45 km) |
| Piqua to Kerkyra | 5,147.86 mi (8,284.68 km) |
| Piqua to Kiato | 5,335.99 mi (8,587.45 km) |
| Piqua to Kifisia | 5,375.99 mi (8,651.82 km) |
| Piqua to Kilkis | 5,205.35 mi (8,377.21 km) |
| Piqua to Komotini | 5,299.32 mi (8,528.43 km) |
| Piqua to Korinthos | 5,346.53 mi (8,604.40 km) |
| Piqua to Koropi | 5,386.75 mi (8,669.14 km) |
| Piqua to Korydallos | 5,373.86 mi (8,648.39 km) |
| Piqua to Kos | 5,571.20 mi (8,965.98 km) |
| Piqua to Kozani | 5,193.14 mi (8,357.55 km) |
| Piqua to Lagos | 5,285.75 mi (8,506.60 km) |
