| Three Lakes to Popovo | 5,784.43 mi (9,309.14 km) |
| Three Lakes to Provadia | 5,842.45 mi (9,402.52 km) |
| Three Lakes to Radnevo | 5,807.05 mi (9,345.55 km) |
| Three Lakes to Radomir | 5,665.21 mi (9,117.27 km) |
| Three Lakes to Rakitovo | 5,734.76 mi (9,229.20 km) |
| Three Lakes to Rakovski | 5,764.29 mi (9,276.73 km) |
| Three Lakes to Razgrad | 5,790.49 mi (9,318.89 km) |
| Three Lakes to Razlog | 5,710.11 mi (9,189.53 km) |
| Three Lakes to Ruse | 5,756.14 mi (9,263.62 km) |
| Three Lakes to Samokov | 5,699.37 mi (9,172.25 km) |
| Three Lakes to Sandanski | 5,711.94 mi (9,192.48 km) |
| Three Lakes to Sevlievo | 5,746.20 mi (9,247.62 km) |
| Three Lakes to Shumen | 5,817.23 mi (9,361.93 km) |
| Three Lakes to Silistra | 5,802.40 mi (9,338.05 km) |
| Three Lakes to Sliven | 5,811.65 mi (9,352.95 km) |
