| Spout Springs to Smolyan | 5,265.88 mi (8,474.62 km) |
| Spout Springs to Sofia | 5,164.24 mi (8,311.04 km) |
| Spout Springs to Sopot | 5,225.54 mi (8,409.69 km) |
| Spout Springs to Sozopol | 5,356.61 mi (8,620.63 km) |
| Spout Springs to Sredets | 5,338.89 mi (8,592.11 km) |
| Spout Springs to Stamboliyski | 5,236.99 mi (8,428.12 km) |
| Spout Springs to Stara Zagora | 5,271.57 mi (8,483.77 km) |
| Spout Springs to Svilengrad | 5,321.40 mi (8,563.96 km) |
| Spout Springs to Svishtov | 5,211.84 mi (8,387.64 km) |
| Spout Springs to Targovishte | 5,276.90 mi (8,492.35 km) |
| Spout Springs to Teteven | 5,194.89 mi (8,360.37 km) |
| Spout Springs to Troyan | 5,214.90 mi (8,392.57 km) |
| Spout Springs to Tryavna | 5,247.96 mi (8,445.77 km) |
| Spout Springs to Tutrakan | 5,245.82 mi (8,442.33 km) |
| Spout Springs to Varna | 5,332.30 mi (8,581.51 km) |
