| Castelo Branco to Karlskrona | 1,539.47 mi (2,477.54 km) |
| Castelo Branco to Karlstad | 1,631.36 mi (2,625.43 km) |
| Castelo Branco to Katrineholm | 1,681.80 mi (2,706.60 km) |
| Castelo Branco to Kavlinge | 1,449.35 mi (2,332.50 km) |
| Castelo Branco to Kinna | 1,518.50 mi (2,443.79 km) |
| Castelo Branco to Kiruna | 2,201.99 mi (3,543.76 km) |
| Castelo Branco to Klippansbruk | 1,465.11 mi (2,357.87 km) |
| Castelo Branco to Koping | 1,700.05 mi (2,735.97 km) |
| Castelo Branco to Kristianstad | 1,490.19 mi (2,398.23 km) |
| Castelo Branco to Kristinehamn | 1,642.47 mi (2,643.29 km) |
| Castelo Branco to Kumla | 1,659.29 mi (2,670.36 km) |
| Castelo Branco to Kungalv | 1,517.43 mi (2,442.06 km) |
| Castelo Branco to Kungsangen | 1,745.10 mi (2,808.47 km) |
| Castelo Branco to Kungsbacka | 1,500.79 mi (2,415.29 km) |
| Castelo Branco to Landskrona | 1,444.61 mi (2,324.88 km) |
