| Rancho Santa Margarita to Karditsa | 6,767.59 mi (10,891.38 km) |
| Rancho Santa Margarita to Kastoria | 6,682.27 mi (10,754.07 km) |
| Rancho Santa Margarita to Katerini | 6,732.13 mi (10,834.31 km) |
| Rancho Santa Margarita to Keratsini | 6,898.45 mi (11,101.98 km) |
| Rancho Santa Margarita to Kerkyra | 6,693.66 mi (10,772.40 km) |
| Rancho Santa Margarita to Kiato | 6,870.69 mi (11,057.30 km) |
| Rancho Santa Margarita to Kifisia | 6,897.36 mi (11,100.23 km) |
| Rancho Santa Margarita to Kilkis | 6,700.65 mi (10,783.65 km) |
| Rancho Santa Margarita to Komotini | 6,762.85 mi (10,883.76 km) |
| Rancho Santa Margarita to Korinthos | 6,880.07 mi (11,072.40 km) |
| Rancho Santa Margarita to Koropi | 6,909.75 mi (11,120.16 km) |
| Rancho Santa Margarita to Korydallos | 6,898.44 mi (11,101.96 km) |
| Rancho Santa Margarita to Kos | 7,066.06 mi (11,371.73 km) |
| Rancho Santa Margarita to Kozani | 6,709.70 mi (10,798.22 km) |
| Rancho Santa Margarita to Lagos | 6,754.47 mi (10,870.27 km) |
