| Guyancourt to Kastoria | 1,097.86 mi (1,766.84 km) |
| Guyancourt to Katerini | 1,159.89 mi (1,866.67 km) |
| Guyancourt to Keratsini | 1,307.21 mi (2,103.75 km) |
| Guyancourt to Kerkyra | 1,082.41 mi (1,741.98 km) |
| Guyancourt to Kiato | 1,270.14 mi (2,044.09 km) |
| Guyancourt to Kifisia | 1,310.02 mi (2,108.27 km) |
| Guyancourt to Kilkis | 1,146.26 mi (1,844.73 km) |
| Guyancourt to Komotini | 1,252.07 mi (2,015.01 km) |
| Guyancourt to Korinthos | 1,280.62 mi (2,060.97 km) |
| Guyancourt to Koropi | 1,320.71 mi (2,125.49 km) |
| Guyancourt to Korydallos | 1,307.80 mi (2,104.70 km) |
| Guyancourt to Kos | 1,507.17 mi (2,425.56 km) |
| Guyancourt to Kozani | 1,128.52 mi (1,816.18 km) |
| Guyancourt to Lagos | 1,236.23 mi (1,989.51 km) |
| Guyancourt to Lamia | 1,216.54 mi (1,957.83 km) |
