| Oildale to Smolyan | 6,641.38 mi (10,688.27 km) |
| Oildale to Sofia | 6,539.68 mi (10,524.60 km) |
| Oildale to Sopot | 6,578.14 mi (10,586.49 km) |
| Oildale to Sozopol | 6,662.49 mi (10,722.24 km) |
| Oildale to Sredets | 6,655.05 mi (10,710.26 km) |
| Oildale to Stamboliyski | 6,604.00 mi (10,628.11 km) |
| Oildale to Stara Zagora | 6,613.20 mi (10,642.92 km) |
| Oildale to Svilengrad | 6,667.11 mi (10,729.68 km) |
| Oildale to Svishtov | 6,534.05 mi (10,515.53 km) |
| Oildale to Targovishte | 6,585.45 mi (10,598.26 km) |
| Oildale to Teteven | 6,550.12 mi (10,541.40 km) |
| Oildale to Troyan | 6,563.21 mi (10,562.46 km) |
| Oildale to Tryavna | 6,583.21 mi (10,594.66 km) |
| Oildale to Tutrakan | 6,537.19 mi (10,520.59 km) |
| Oildale to Varna | 6,618.00 mi (10,650.65 km) |
