| Walnut Creek to Karditsa | 6,629.25 mi (10,668.74 km) |
| Walnut Creek to Kastoria | 6,542.93 mi (10,529.83 km) |
| Walnut Creek to Katerini | 6,588.48 mi (10,603.14 km) |
| Walnut Creek to Keratsini | 6,757.24 mi (10,874.72 km) |
| Walnut Creek to Kerkyra | 6,562.84 mi (10,561.87 km) |
| Walnut Creek to Kiato | 6,733.11 mi (10,835.90 km) |
| Walnut Creek to Kifisia | 6,754.91 mi (10,870.98 km) |
| Walnut Creek to Kilkis | 6,553.25 mi (10,546.44 km) |
| Walnut Creek to Komotini | 6,604.61 mi (10,629.10 km) |
| Walnut Creek to Korinthos | 6,741.95 mi (10,850.11 km) |
| Walnut Creek to Koropi | 6,767.62 mi (10,891.43 km) |
| Walnut Creek to Korydallos | 6,757.03 mi (10,874.38 km) |
| Walnut Creek to Kos | 6,912.15 mi (11,124.03 km) |
| Walnut Creek to Kozani | 6,568.93 mi (10,571.67 km) |
| Walnut Creek to Lagos | 6,597.95 mi (10,618.37 km) |
