| Smolyan to San Luis Obispo (California) | 6,691.79 mi (10,769.40 km) |
| Smolyan to San Marcos (California) | 6,734.24 mi (10,837.72 km) |
| Smolyan to San Marcos (Texas) | 6,294.43 mi (10,129.91 km) |
| Smolyan to San Marino (California) | 6,698.57 mi (10,780.31 km) |
| Smolyan to San Mateo (California) | 6,586.64 mi (10,600.17 km) |
| Smolyan to San Pablo (California) | 6,561.42 mi (10,559.59 km) |
| Smolyan to San Rafael (California) | 6,563.67 mi (10,563.20 km) |
| Smolyan to San Ramon (California) | 6,564.96 mi (10,565.28 km) |
| Smolyan to San Tan Valley (Arizona) | 6,571.65 mi (10,576.05 km) |
| Smolyan to Sand Springs (Oklahoma) | 5,894.19 mi (9,485.78 km) |
| Smolyan to Sandusky (Ohio) | 5,129.36 mi (8,254.91 km) |
| Smolyan to Sandy (Oregon) | 6,090.76 mi (9,802.13 km) |
| Smolyan to Sandy (Utah) | 6,142.45 mi (9,885.32 km) |
| Smolyan to Sandy Springs (Georgia) | 5,551.07 mi (8,933.59 km) |
| Smolyan to Sanford (Florida) | 5,665.50 mi (9,117.75 km) |
