| Northallerton to Popovo | 1,455.02 mi (2,341.63 km) |
| Northallerton to Provadia | 1,508.16 mi (2,427.15 km) |
| Northallerton to Radnevo | 1,492.51 mi (2,401.97 km) |
| Northallerton to Radomir | 1,371.13 mi (2,206.62 km) |
| Northallerton to Rakitovo | 1,439.80 mi (2,317.13 km) |
| Northallerton to Rakovski | 1,457.25 mi (2,345.22 km) |
| Northallerton to Razgrad | 1,457.49 mi (2,345.60 km) |
| Northallerton to Razlog | 1,422.47 mi (2,289.24 km) |
| Northallerton to Ruse | 1,423.10 mi (2,290.25 km) |
| Northallerton to Samokov | 1,403.39 mi (2,258.54 km) |
| Northallerton to Sandanski | 1,431.57 mi (2,303.89 km) |
| Northallerton to Sevlievo | 1,427.87 mi (2,297.94 km) |
| Northallerton to Shumen | 1,484.60 mi (2,389.24 km) |
| Northallerton to Silistra | 1,460.11 mi (2,349.82 km) |
| Northallerton to Sliven | 1,489.46 mi (2,397.05 km) |
