| Harrow to Kolarovo | 854.49 mi (1,375.16 km) |
| Harrow to Komarno | 864.47 mi (1,391.23 km) |
| Harrow to Kosice | 972.65 mi (1,565.33 km) |
| Harrow to Krompachy | 951.96 mi (1,532.04 km) |
| Harrow to Kysucke Nove Mesto | 854.02 mi (1,374.40 km) |
| Harrow to Levice | 872.27 mi (1,403.78 km) |
| Harrow to Levoca | 937.20 mi (1,508.28 km) |
| Harrow to Liptovsky Mikulas | 893.62 mi (1,438.15 km) |
| Harrow to Lucenec | 914.54 mi (1,471.82 km) |
| Harrow to Malacky | 798.95 mi (1,285.79 km) |
| Harrow to Martin | 864.90 mi (1,391.93 km) |
| Harrow to Michalovce | 1,000.19 mi (1,609.65 km) |
| Harrow to Modra | 814.05 mi (1,310.08 km) |
| Harrow to Moldava nad Bodvou | 964.57 mi (1,552.33 km) |
| Harrow to Myjava | 814.27 mi (1,310.43 km) |
