| Cities | Distance |
|---|---|
| Harrow to Ilawa | 844.41 mi (1,358.95 km) |
| Harrow to Imielin | 856.49 mi (1,378.38 km) |
| Harrow to Inowroclaw | 790.37 mi (1,271.97 km) |
| Harrow to Janow Lubelski | 984.39 mi (1,584.22 km) |
| Harrow to Jarocin | 761.50 mi (1,225.52 km) |
| Harrow to Jaroslaw | 1,007.07 mi (1,620.72 km) |
| Harrow to Jasien | 806.89 mi (1,298.56 km) |
| Harrow to Jaslo | 960.22 mi (1,545.32 km) |
| Harrow to Jastrzebie-Zdroj | 832.50 mi (1,339.77 km) |
| Harrow to Jawor | 713.97 mi (1,149.02 km) |
| Harrow to Jaworzno | 857.58 mi (1,380.14 km) |
| Harrow to Jedrzejow | 895.05 mi (1,440.44 km) |
| Harrow to Jelcz-Laskowice | 762.70 mi (1,227.45 km) |
| Harrow to Jelenia Gora | 695.72 mi (1,119.66 km) |
| Harrow to Jozefoslaw | 910.60 mi (1,465.47 km) |