| Harrow to Prelouc | 701.16 mi (1,128.41 km) |
| Harrow to Prerov | 793.47 mi (1,276.97 km) |
| Harrow to Pribram | 641.46 mi (1,032.33 km) |
| Harrow to Prostejov | 778.54 mi (1,252.94 km) |
| Harrow to Rakovnik | 621.72 mi (1,000.56 km) |
| Harrow to Ricany | 663.18 mi (1,067.29 km) |
| Harrow to Rokycany | 622.65 mi (1,002.06 km) |
| Harrow to Roudnice nad Labem | 639.06 mi (1,028.46 km) |
| Harrow to Roznov pod Radhostem | 823.07 mi (1,324.60 km) |
| Harrow to Roztoky | 649.23 mi (1,044.83 km) |
| Harrow to Rumburk | 644.64 mi (1,037.45 km) |
| Harrow to Rychnov nad Kneznou | 729.70 mi (1,174.34 km) |
| Harrow to Slany | 634.69 mi (1,021.43 km) |
| Harrow to Sokolov | 573.54 mi (923.03 km) |
| Harrow to Sternberk | 781.45 mi (1,257.62 km) |
