| Wittlich to Popovo | 1,021.31 mi (1,643.64 km) |
| Wittlich to Provadia | 1,078.14 mi (1,735.10 km) |
| Wittlich to Radnevo | 1,050.66 mi (1,690.88 km) |
| Wittlich to Radomir | 920.27 mi (1,481.03 km) |
| Wittlich to Rakitovo | 989.87 mi (1,593.05 km) |
| Wittlich to Rakovski | 1,011.85 mi (1,628.42 km) |
| Wittlich to Razgrad | 1,026.34 mi (1,651.73 km) |
| Wittlich to Razlog | 970.19 mi (1,561.37 km) |
| Wittlich to Ruse | 991.86 mi (1,596.25 km) |
| Wittlich to Samokov | 953.46 mi (1,534.44 km) |
| Wittlich to Sandanski | 977.49 mi (1,573.12 km) |
| Wittlich to Sevlievo | 987.44 mi (1,589.13 km) |
| Wittlich to Shumen | 1,053.27 mi (1,695.08 km) |
| Wittlich to Silistra | 1,036.97 mi (1,668.84 km) |
| Wittlich to Sliven | 1,051.51 mi (1,692.24 km) |
