| Sliven to Twist | 1,124.51 mi (1,809.73 km) |
| Sliven to Twistringen | 1,073.59 mi (1,727.77 km) |
| Sliven to Ubach-Palenberg | 1,107.20 mi (1,781.86 km) |
| Sliven to Uberherrn | 1,042.26 mi (1,677.35 km) |
| Sliven to Uberlingen | 903.82 mi (1,454.56 km) |
| Sliven to Ubstadt-Weiher | 958.50 mi (1,542.56 km) |
| Sliven to Ueckermunde | 947.75 mi (1,525.25 km) |
| Sliven to Uelzen | 1,015.44 mi (1,634.19 km) |
| Sliven to Uetersen | 1,075.37 mi (1,730.64 km) |
| Sliven to Uetze | 1,006.86 mi (1,620.39 km) |
| Sliven to Uhingen | 906.12 mi (1,458.26 km) |
| Sliven to Ulm | 881.89 mi (1,419.26 km) |
| Sliven to Unna | 1,064.06 mi (1,712.44 km) |
| Sliven to Unterfohring | 805.24 mi (1,295.91 km) |
| Sliven to Unterhaching | 803.75 mi (1,293.51 km) |
