| Olonne-sur-Mer to Kastoria | 1,221.49 mi (1,965.80 km) |
| Olonne-sur-Mer to Katerini | 1,287.00 mi (2,071.23 km) |
| Olonne-sur-Mer to Keratsini | 1,418.86 mi (2,283.43 km) |
| Olonne-sur-Mer to Kerkyra | 1,189.42 mi (1,914.19 km) |
| Olonne-sur-Mer to Kiato | 1,377.59 mi (2,217.01 km) |
| Olonne-sur-Mer to Kifisia | 1,423.69 mi (2,291.21 km) |
| Olonne-sur-Mer to Kilkis | 1,281.95 mi (2,063.09 km) |
| Olonne-sur-Mer to Komotini | 1,398.79 mi (2,251.13 km) |
| Olonne-sur-Mer to Korinthos | 1,388.41 mi (2,234.42 km) |
| Olonne-sur-Mer to Koropi | 1,433.11 mi (2,306.36 km) |
| Olonne-sur-Mer to Korydallos | 1,419.76 mi (2,284.89 km) |
| Olonne-sur-Mer to Kos | 1,627.27 mi (2,618.85 km) |
| Olonne-sur-Mer to Kozani | 1,252.52 mi (2,015.73 km) |
| Olonne-sur-Mer to Lagos | 1,381.23 mi (2,222.88 km) |
| Olonne-sur-Mer to Lamia | 1,330.37 mi (2,141.02 km) |
