| Gravesend to Popovo | 1,323.42 mi (2,129.83 km) |
| Gravesend to Provadia | 1,379.93 mi (2,220.78 km) |
| Gravesend to Radnevo | 1,352.97 mi (2,177.40 km) |
| Gravesend to Radomir | 1,221.42 mi (1,965.69 km) |
| Gravesend to Rakitovo | 1,291.17 mi (2,077.93 km) |
| Gravesend to Rakovski | 1,313.91 mi (2,114.53 km) |
| Gravesend to Razgrad | 1,328.20 mi (2,137.53 km) |
| Gravesend to Razlog | 1,270.82 mi (2,045.19 km) |
| Gravesend to Ruse | 1,293.70 mi (2,082.02 km) |
| Gravesend to Samokov | 1,254.80 mi (2,019.40 km) |
| Gravesend to Sandanski | 1,277.39 mi (2,055.76 km) |
| Gravesend to Sevlievo | 1,289.79 mi (2,075.72 km) |
| Gravesend to Shumen | 1,355.18 mi (2,180.95 km) |
| Gravesend to Silistra | 1,337.71 mi (2,152.83 km) |
| Gravesend to Sliven | 1,353.85 mi (2,178.80 km) |
