| Northenden to Popovo | 1,466.87 mi (2,360.70 km) |
| Northenden to Provadia | 1,521.46 mi (2,448.56 km) |
| Northenden to Radnevo | 1,501.13 mi (2,415.84 km) |
| Northenden to Radomir | 1,375.10 mi (2,213.01 km) |
| Northenden to Rakitovo | 1,444.37 mi (2,324.48 km) |
| Northenden to Rakovski | 1,464.18 mi (2,356.37 km) |
| Northenden to Razgrad | 1,470.28 mi (2,366.18 km) |
| Northenden to Razlog | 1,425.65 mi (2,294.35 km) |
| Northenden to Ruse | 1,435.78 mi (2,310.66 km) |
| Northenden to Samokov | 1,407.92 mi (2,265.82 km) |
| Northenden to Sandanski | 1,433.59 mi (2,307.14 km) |
| Northenden to Sevlievo | 1,437.00 mi (2,312.62 km) |
| Northenden to Shumen | 1,497.39 mi (2,409.81 km) |
| Northenden to Silistra | 1,475.62 mi (2,374.77 km) |
| Northenden to Sliven | 1,499.72 mi (2,413.57 km) |
