| Fostoria to Karditsa | 5,162.42 mi (8,308.12 km) |
| Fostoria to Kastoria | 5,084.38 mi (8,182.52 km) |
| Fostoria to Katerini | 5,144.72 mi (8,279.63 km) |
| Fostoria to Keratsini | 5,295.25 mi (8,521.88 km) |
| Fostoria to Kerkyra | 5,070.14 mi (8,159.60 km) |
| Fostoria to Kiato | 5,258.17 mi (8,462.20 km) |
| Fostoria to Kifisia | 5,297.87 mi (8,526.10 km) |
| Fostoria to Kilkis | 5,126.49 mi (8,250.30 km) |
| Fostoria to Komotini | 5,219.91 mi (8,400.63 km) |
| Fostoria to Korinthos | 5,268.68 mi (8,479.12 km) |
| Fostoria to Koropi | 5,308.69 mi (8,543.51 km) |
| Fostoria to Korydallos | 5,295.82 mi (8,522.79 km) |
| Fostoria to Kos | 5,492.66 mi (8,839.58 km) |
| Fostoria to Kozani | 5,114.74 mi (8,231.38 km) |
| Fostoria to Lagos | 5,206.43 mi (8,378.94 km) |
