| Smolyan to St. George (Utah) | 6,397.69 mi (10,296.08 km) |
| Smolyan to St. Helens (Oregon) | 6,072.50 mi (9,772.74 km) |
| Smolyan to St. James (New York) | 4,772.90 mi (7,681.23 km) |
| Smolyan to St. John (Indiana) | 5,308.98 mi (8,543.98 km) |
| Smolyan to St. Joseph (Missouri) | 5,657.71 mi (9,105.21 km) |
| Smolyan to St. Louis (Missouri) | 5,550.24 mi (8,932.25 km) |
| Smolyan to St. Louis Park (Minnesota) | 5,340.96 mi (8,595.45 km) |
| Smolyan to St. Marys (Georgia) | 5,585.04 mi (8,988.25 km) |
| Smolyan to St. Marys (Pennsylvania) | 4,966.12 mi (7,992.20 km) |
| Smolyan to St. Matthews (Kentucky) | 5,394.05 mi (8,680.89 km) |
| Smolyan to St. Michael (Minnesota) | 5,338.88 mi (8,592.09 km) |
| Smolyan to St. Paul (Minnesota) | 5,332.37 mi (8,581.61 km) |
| Smolyan to St. Peter (Minnesota) | 5,392.49 mi (8,678.37 km) |
| Smolyan to St. Peters (Missouri) | 5,556.25 mi (8,941.91 km) |
| Smolyan to St. Petersburg (Florida) | 5,774.16 mi (9,292.61 km) |
