| Gretz-Armainvilliers to Kastoria | 1,069.65 mi (1,721.43 km) |
| Gretz-Armainvilliers to Katerini | 1,131.44 mi (1,820.87 km) |
| Gretz-Armainvilliers to Keratsini | 1,279.51 mi (2,059.18 km) |
| Gretz-Armainvilliers to Kerkyra | 1,055.23 mi (1,698.24 km) |
| Gretz-Armainvilliers to Kiato | 1,242.73 mi (1,999.98 km) |
| Gretz-Armainvilliers to Kifisia | 1,282.20 mi (2,063.51 km) |
| Gretz-Armainvilliers to Kilkis | 1,117.38 mi (1,798.25 km) |
| Gretz-Armainvilliers to Komotini | 1,222.65 mi (1,967.67 km) |
| Gretz-Armainvilliers to Korinthos | 1,253.19 mi (2,016.82 km) |
| Gretz-Armainvilliers to Koropi | 1,292.97 mi (2,080.83 km) |
| Gretz-Armainvilliers to Korydallos | 1,280.09 mi (2,060.10 km) |
| Gretz-Armainvilliers to Kos | 1,478.87 mi (2,380.02 km) |
| Gretz-Armainvilliers to Kozani | 1,100.26 mi (1,770.70 km) |
| Gretz-Armainvilliers to Lagos | 1,206.88 mi (1,942.29 km) |
| Gretz-Armainvilliers to Lamia | 1,188.79 mi (1,913.17 km) |
