| Harrow Weald to Popovo | 1,355.68 mi (2,181.75 km) |
| Harrow Weald to Provadia | 1,412.13 mi (2,272.60 km) |
| Harrow Weald to Radnevo | 1,385.36 mi (2,229.51 km) |
| Harrow Weald to Radomir | 1,253.84 mi (2,017.86 km) |
| Harrow Weald to Rakitovo | 1,323.59 mi (2,130.11 km) |
| Harrow Weald to Rakovski | 1,346.32 mi (2,166.70 km) |
| Harrow Weald to Razgrad | 1,360.42 mi (2,189.38 km) |
| Harrow Weald to Razlog | 1,303.23 mi (2,097.35 km) |
| Harrow Weald to Ruse | 1,325.92 mi (2,133.86 km) |
| Harrow Weald to Samokov | 1,287.22 mi (2,071.58 km) |
| Harrow Weald to Sandanski | 1,309.77 mi (2,107.88 km) |
| Harrow Weald to Sevlievo | 1,322.16 mi (2,127.81 km) |
| Harrow Weald to Shumen | 1,387.40 mi (2,232.81 km) |
| Harrow Weald to Silistra | 1,369.75 mi (2,204.39 km) |
| Harrow Weald to Sliven | 1,386.18 mi (2,230.84 km) |
