| Harrow to Prokuplje | 1,170.10 mi (1,883.10 km) |
| Harrow to Raca | 1,105.14 mi (1,778.55 km) |
| Harrow to Raska | 1,128.93 mi (1,816.83 km) |
| Harrow to Razanj | 1,150.81 mi (1,852.06 km) |
| Harrow to Rekovac | 1,125.87 mi (1,811.91 km) |
| Harrow to Ruma | 1,028.59 mi (1,655.35 km) |
| Harrow to Sabac | 1,032.33 mi (1,661.38 km) |
| Harrow to Secanj | 1,053.52 mi (1,695.47 km) |
| Harrow to Senta | 1,005.18 mi (1,617.68 km) |
| Harrow to Sid | 999.72 mi (1,608.89 km) |
| Harrow to Sjenica | 1,105.62 mi (1,779.32 km) |
| Harrow to Smederevo | 1,086.18 mi (1,748.04 km) |
| Harrow to Smederevska Palanka | 1,098.94 mi (1,768.57 km) |
| Harrow to Sokobanja | 1,164.31 mi (1,873.77 km) |
| Harrow to Sombor | 970.21 mi (1,561.40 km) |
