| Greenbelt to Karditsa | 4,982.49 mi (8,018.54 km) |
| Greenbelt to Kastoria | 4,908.02 mi (7,898.70 km) |
| Greenbelt to Katerini | 4,970.72 mi (7,999.60 km) |
| Greenbelt to Keratsini | 5,113.85 mi (8,229.95 km) |
| Greenbelt to Kerkyra | 4,885.70 mi (7,862.78 km) |
| Greenbelt to Kiato | 5,074.39 mi (8,166.43 km) |
| Greenbelt to Kifisia | 5,117.61 mi (8,236.00 km) |
| Greenbelt to Kilkis | 4,956.96 mi (7,977.46 km) |
| Greenbelt to Komotini | 5,058.42 mi (8,140.74 km) |
| Greenbelt to Korinthos | 5,085.10 mi (8,183.68 km) |
| Greenbelt to Koropi | 5,127.76 mi (8,252.33 km) |
| Greenbelt to Korydallos | 5,114.60 mi (8,231.15 km) |
| Greenbelt to Kos | 5,317.38 mi (8,557.50 km) |
| Greenbelt to Kozani | 4,938.83 mi (7,948.28 km) |
| Greenbelt to Lagos | 5,043.62 mi (8,116.92 km) |
