| Castro Valley to Kecskemet | 6,130.61 mi (9,866.27 km) |
| Castro Valley to Kerepestarcsa | 6,082.17 mi (9,788.31 km) |
| Castro Valley to Keszthely | 6,080.71 mi (9,785.96 km) |
| Castro Valley to Kiskoros | 6,138.35 mi (9,878.71 km) |
| Castro Valley to Kiskunfelegyhaza | 6,146.43 mi (9,891.72 km) |
| Castro Valley to Kiskunhalas | 6,154.47 mi (9,904.66 km) |
| Castro Valley to Kiskunlachaza | 6,097.32 mi (9,812.68 km) |
| Castro Valley to Kiskunmajsa | 6,156.64 mi (9,908.15 km) |
| Castro Valley to Kisujszallas | 6,136.36 mi (9,875.52 km) |
| Castro Valley to Kisvarda | 6,104.23 mi (9,823.82 km) |
| Castro Valley to Komarom | 6,044.11 mi (9,727.05 km) |
| Castro Valley to Komlo | 6,139.69 mi (9,880.87 km) |
| Castro Valley to Kormend | 6,050.70 mi (9,737.67 km) |
| Castro Valley to Koszeg | 6,027.55 mi (9,700.40 km) |
| Castro Valley to Lajosmizse | 6,120.32 mi (9,849.70 km) |
