| Harrow to Nitra | 847.70 mi (1,364.25 km) |
| Harrow to Nova Dubnica | 834.62 mi (1,343.20 km) |
| Harrow to Nove Mesto nad Vahom | 825.49 mi (1,328.50 km) |
| Harrow to Nove Zamky | 859.43 mi (1,383.11 km) |
| Harrow to Partizanske | 851.76 mi (1,370.78 km) |
| Harrow to Petrzalka | 811.29 mi (1,305.65 km) |
| Harrow to Pezinok | 813.29 mi (1,308.87 km) |
| Harrow to Piest'any | 829.82 mi (1,335.46 km) |
| Harrow to Poprad | 923.98 mi (1,487.00 km) |
| Harrow to Povazska Bystrica | 843.25 mi (1,357.08 km) |
| Harrow to Presov | 965.67 mi (1,554.09 km) |
| Harrow to Prievidza | 858.86 mi (1,382.20 km) |
| Harrow to Puchov | 838.36 mi (1,349.20 km) |
| Harrow to Revuca | 924.75 mi (1,488.25 km) |
| Harrow to Rimavska Sobota | 927.95 mi (1,493.39 km) |
