| Mettlach to Popovo | 1,023.07 mi (1,646.47 km) |
| Mettlach to Provadia | 1,080.69 mi (1,739.20 km) |
| Mettlach to Radnevo | 1,049.97 mi (1,689.77 km) |
| Mettlach to Radomir | 916.65 mi (1,475.21 km) |
| Mettlach to Rakitovo | 986.47 mi (1,587.56 km) |
| Mettlach to Rakovski | 1,010.08 mi (1,625.57 km) |
| Mettlach to Razgrad | 1,028.75 mi (1,655.62 km) |
| Mettlach to Razlog | 965.83 mi (1,554.35 km) |
| Mettlach to Ruse | 994.37 mi (1,600.29 km) |
| Mettlach to Samokov | 950.14 mi (1,529.10 km) |
| Mettlach to Sandanski | 972.27 mi (1,564.72 km) |
| Mettlach to Sevlievo | 987.37 mi (1,589.01 km) |
| Mettlach to Shumen | 1,055.56 mi (1,698.76 km) |
| Mettlach to Silistra | 1,041.30 mi (1,675.81 km) |
| Mettlach to Sliven | 1,051.99 mi (1,693.02 km) |
