| Harrow to Apatin | 968.96 mi (1,559.39 km) |
| Harrow to Arandelovac | 1,085.01 mi (1,746.15 km) |
| Harrow to Arilje | 1,088.87 mi (1,752.36 km) |
| Harrow to Babusnica | 1,210.21 mi (1,947.64 km) |
| Harrow to Bac | 989.65 mi (1,592.70 km) |
| Harrow to Backa Palanka | 1,001.45 mi (1,611.68 km) |
| Harrow to Backa Topola | 990.30 mi (1,593.74 km) |
| Harrow to Backi Petrovac | 1,005.16 mi (1,617.65 km) |
| Harrow to Bajina Basta | 1,058.39 mi (1,703.32 km) |
| Harrow to Batajnica | 1,050.60 mi (1,690.77 km) |
| Harrow to Batocina | 1,112.50 mi (1,790.39 km) |
| Harrow to Becej | 1,013.96 mi (1,631.82 km) |
| Harrow to Bela Crkva | 1,097.36 mi (1,766.03 km) |
| Harrow to Bela Palanka | 1,199.77 mi (1,930.85 km) |
| Harrow to Belgrade | 1,061.03 mi (1,707.55 km) |
