| Northwood to Popovo | 1,358.89 mi (2,186.93 km) |
| Northwood to Provadia | 1,415.37 mi (2,277.81 km) |
| Northwood to Radnevo | 1,388.52 mi (2,234.60 km) |
| Northwood to Radomir | 1,256.92 mi (2,022.82 km) |
| Northwood to Rakitovo | 1,326.68 mi (2,135.08 km) |
| Northwood to Rakovski | 1,349.45 mi (2,171.74 km) |
| Northwood to Razgrad | 1,363.65 mi (2,194.58 km) |
| Northwood to Razlog | 1,306.29 mi (2,102.27 km) |
| Northwood to Ruse | 1,329.15 mi (2,139.06 km) |
| Northwood to Samokov | 1,290.31 mi (2,076.55 km) |
| Northwood to Sandanski | 1,312.81 mi (2,112.76 km) |
| Northwood to Sevlievo | 1,325.33 mi (2,132.91 km) |
| Northwood to Shumen | 1,390.63 mi (2,238.01 km) |
| Northwood to Silistra | 1,373.02 mi (2,209.65 km) |
| Northwood to Sliven | 1,389.37 mi (2,235.97 km) |
