| Lahti to Popovo | 1,218.58 mi (1,961.12 km) |
| Lahti to Provadia | 1,232.08 mi (1,982.84 km) |
| Lahti to Radnevo | 1,290.95 mi (2,077.58 km) |
| Lahti to Radomir | 1,278.57 mi (2,057.67 km) |
| Lahti to Rakitovo | 1,314.41 mi (2,115.34 km) |
| Lahti to Rakovski | 1,292.01 mi (2,079.29 km) |
| Lahti to Razgrad | 1,206.21 mi (1,941.21 km) |
| Lahti to Razlog | 1,322.85 mi (2,128.92 km) |
| Lahti to Ruse | 1,185.72 mi (1,908.23 km) |
| Lahti to Samokov | 1,291.29 mi (2,078.13 km) |
| Lahti to Sandanski | 1,345.15 mi (2,164.80 km) |
| Lahti to Sevlievo | 1,240.96 mi (1,997.13 km) |
| Lahti to Shumen | 1,224.10 mi (1,970.01 km) |
| Lahti to Silistra | 1,167.21 mi (1,878.44 km) |
| Lahti to Sliven | 1,264.73 mi (2,035.38 km) |
