| Basildon to Popovo | 1,320.86 mi (2,125.71 km) |
| Basildon to Provadia | 1,377.18 mi (2,216.35 km) |
| Basildon to Radnevo | 1,350.97 mi (2,174.17 km) |
| Basildon to Radomir | 1,220.09 mi (1,963.54 km) |
| Basildon to Rakitovo | 1,289.79 mi (2,075.71 km) |
| Basildon to Rakovski | 1,312.15 mi (2,111.71 km) |
| Basildon to Razgrad | 1,325.49 mi (2,133.18 km) |
| Basildon to Razlog | 1,269.66 mi (2,043.32 km) |
| Basildon to Ruse | 1,290.99 mi (2,077.64 km) |
| Basildon to Samokov | 1,253.40 mi (2,017.15 km) |
| Basildon to Sandanski | 1,276.42 mi (2,054.21 km) |
| Basildon to Sevlievo | 1,287.66 mi (2,072.28 km) |
| Basildon to Shumen | 1,352.49 mi (2,176.63 km) |
| Basildon to Silistra | 1,334.57 mi (2,147.78 km) |
| Basildon to Sliven | 1,351.57 mi (2,175.14 km) |
