| Castelo Branco to Kecskemet | 1,442.23 mi (2,321.05 km) |
| Castelo Branco to Kerepestarcsa | 1,431.05 mi (2,303.05 km) |
| Castelo Branco to Keszthely | 1,327.18 mi (2,135.88 km) |
| Castelo Branco to Kiskoros | 1,419.95 mi (2,285.19 km) |
| Castelo Branco to Kiskunfelegyhaza | 1,447.40 mi (2,329.36 km) |
| Castelo Branco to Kiskunhalas | 1,427.45 mi (2,297.26 km) |
| Castelo Branco to Kiskunlachaza | 1,414.86 mi (2,277.00 km) |
| Castelo Branco to Kiskunmajsa | 1,439.78 mi (2,317.11 km) |
| Castelo Branco to Kisujszallas | 1,495.84 mi (2,407.33 km) |
| Castelo Branco to Kisvarda | 1,568.25 mi (2,523.86 km) |
| Castelo Branco to Komarom | 1,382.36 mi (2,224.69 km) |
| Castelo Branco to Komlo | 1,366.99 mi (2,199.96 km) |
| Castelo Branco to Kormend | 1,301.35 mi (2,094.32 km) |
| Castelo Branco to Koszeg | 1,305.21 mi (2,100.53 km) |
| Castelo Branco to Lajosmizse | 1,437.58 mi (2,313.56 km) |
