| Slough to Karditsa | 1,366.80 mi (2,199.65 km) |
| Slough to Kastoria | 1,286.62 mi (2,070.61 km) |
| Slough to Katerini | 1,345.75 mi (2,165.77 km) |
| Slough to Keratsini | 1,500.08 mi (2,414.15 km) |
| Slough to Kerkyra | 1,280.05 mi (2,060.04 km) |
| Slough to Kiato | 1,465.50 mi (2,358.50 km) |
| Slough to Kifisia | 1,501.80 mi (2,416.91 km) |
| Slough to Kilkis | 1,326.87 mi (2,135.39 km) |
| Slough to Komotini | 1,423.31 mi (2,290.60 km) |
| Slough to Korinthos | 1,475.73 mi (2,374.96 km) |
| Slough to Koropi | 1,513.07 mi (2,435.05 km) |
| Slough to Korydallos | 1,500.50 mi (2,414.82 km) |
| Slough to Kos | 1,693.56 mi (2,725.52 km) |
| Slough to Kozani | 1,316.64 mi (2,118.93 km) |
| Slough to Lagos | 1,408.98 mi (2,267.54 km) |
