| Frimley to Smolyan | 1,375.02 mi (2,212.88 km) |
| Frimley to Sofia | 1,272.51 mi (2,047.90 km) |
| Frimley to Sopot | 1,333.00 mi (2,145.25 km) |
| Frimley to Sozopol | 1,465.23 mi (2,358.07 km) |
| Frimley to Sredets | 1,446.91 mi (2,328.58 km) |
| Frimley to Stamboliyski | 1,345.13 mi (2,164.78 km) |
| Frimley to Stara Zagora | 1,378.99 mi (2,219.27 km) |
| Frimley to Svilengrad | 1,428.91 mi (2,299.62 km) |
| Frimley to Svishtov | 1,320.47 mi (2,125.09 km) |
| Frimley to Targovishte | 1,386.15 mi (2,230.79 km) |
| Frimley to Teteven | 1,302.35 mi (2,095.93 km) |
| Frimley to Troyan | 1,322.32 mi (2,128.07 km) |
| Frimley to Tryavna | 1,355.54 mi (2,181.53 km) |
| Frimley to Tutrakan | 1,358.02 mi (2,185.52 km) |
| Frimley to Varna | 1,443.68 mi (2,323.38 km) |
