| Cities | Distance |
|---|---|
| Basel to Popovo | 946.42 mi (1,523.12 km) |
| Basel to Provadia | 1,006.18 mi (1,619.28 km) |
| Basel to Radnevo | 965.02 mi (1,553.05 km) |
| Basel to Radomir | 823.73 mi (1,325.66 km) |
| Basel to Rakitovo | 893.53 mi (1,438.00 km) |
| Basel to Rakovski | 922.04 mi (1,483.88 km) |
| Basel to Razgrad | 954.28 mi (1,535.76 km) |
| Basel to Razlog | 870.17 mi (1,400.40 km) |
| Basel to Ruse | 920.55 mi (1,481.49 km) |
| Basel to Samokov | 857.80 mi (1,380.50 km) |
| Basel to Sandanski | 873.99 mi (1,406.55 km) |
| Basel to Sevlievo | 904.99 mi (1,456.44 km) |
| Basel to Shumen | 980.39 mi (1,577.79 km) |
| Basel to Silistra | 973.31 mi (1,566.38 km) |
| Basel to Sliven | 970.84 mi (1,562.42 km) |