| Harrow to Kanjiza | 998.83 mi (1,607.47 km) |
| Harrow to Kikinda | 1,023.55 mi (1,647.24 km) |
| Harrow to Kladovo | 1,157.47 mi (1,862.76 km) |
| Harrow to Knic | 1,107.04 mi (1,781.61 km) |
| Harrow to Knjazevac | 1,193.36 mi (1,920.53 km) |
| Harrow to Koceljeva | 1,048.12 mi (1,686.78 km) |
| Harrow to Kosjeric | 1,071.53 mi (1,724.46 km) |
| Harrow to Kovacica | 1,056.65 mi (1,700.51 km) |
| Harrow to Kovin | 1,084.42 mi (1,745.21 km) |
| Harrow to Kragujevac | 1,112.09 mi (1,789.73 km) |
| Harrow to Kraljevo | 1,113.75 mi (1,792.41 km) |
| Harrow to Krupanj | 1,034.59 mi (1,665.00 km) |
| Harrow to Krusevac | 1,145.21 mi (1,843.04 km) |
| Harrow to Kucevo | 1,123.30 mi (1,807.77 km) |
| Harrow to Kula | 993.97 mi (1,599.64 km) |
