| Lahnstein to Popovo | 999.17 mi (1,608.00 km) |
| Lahnstein to Provadia | 1,055.26 mi (1,698.27 km) |
| Lahnstein to Radnevo | 1,030.66 mi (1,658.69 km) |
| Lahnstein to Radomir | 903.15 mi (1,453.47 km) |
| Lahnstein to Rakitovo | 972.45 mi (1,565.01 km) |
| Lahnstein to Rakovski | 992.87 mi (1,597.87 km) |
| Lahnstein to Razgrad | 1,003.62 mi (1,615.16 km) |
| Lahnstein to Razlog | 953.71 mi (1,534.84 km) |
| Lahnstein to Ruse | 969.10 mi (1,559.62 km) |
| Lahnstein to Samokov | 936.00 mi (1,506.35 km) |
| Lahnstein to Sandanski | 961.83 mi (1,547.91 km) |
| Lahnstein to Sevlievo | 966.95 mi (1,556.16 km) |
| Lahnstein to Shumen | 1,030.64 mi (1,658.65 km) |
| Lahnstein to Silistra | 1,012.63 mi (1,629.67 km) |
| Lahnstein to Sliven | 1,030.45 mi (1,658.34 km) |
