| Burnham-on-Sea to Smolyan | 1,466.23 mi (2,359.68 km) |
| Burnham-on-Sea to Sofia | 1,364.24 mi (2,195.54 km) |
| Burnham-on-Sea to Sopot | 1,425.67 mi (2,294.40 km) |
| Burnham-on-Sea to Sozopol | 1,559.34 mi (2,509.52 km) |
| Burnham-on-Sea to Sredets | 1,540.69 mi (2,479.50 km) |
| Burnham-on-Sea to Stamboliyski | 1,436.97 mi (2,312.59 km) |
| Burnham-on-Sea to Stara Zagora | 1,471.97 mi (2,368.91 km) |
| Burnham-on-Sea to Svilengrad | 1,521.44 mi (2,448.52 km) |
| Burnham-on-Sea to Svishtov | 1,414.65 mi (2,276.67 km) |
| Burnham-on-Sea to Targovishte | 1,480.55 mi (2,382.72 km) |
| Burnham-on-Sea to Teteven | 1,395.05 mi (2,245.12 km) |
| Burnham-on-Sea to Troyan | 1,415.27 mi (2,277.66 km) |
| Burnham-on-Sea to Tryavna | 1,448.94 mi (2,331.85 km) |
| Burnham-on-Sea to Tutrakan | 1,453.22 mi (2,338.73 km) |
| Burnham-on-Sea to Varna | 1,538.65 mi (2,476.22 km) |
