| Plovdiv to Smyrna (Delaware) | 4,921.30 mi (7,920.07 km) |
| Plovdiv to Smyrna (Georgia) | 5,538.93 mi (8,914.05 km) |
| Plovdiv to Smyrna (Tennessee) | 5,516.33 mi (8,877.68 km) |
| Plovdiv to Snellville (Georgia) | 5,518.33 mi (8,880.89 km) |
| Plovdiv to Snoqualmie (Washington) | 5,912.80 mi (9,515.73 km) |
| Plovdiv to Snyder (Texas) | 6,222.35 mi (10,013.90 km) |
| Plovdiv to Socastee (South Carolina) | 5,317.96 mi (8,558.43 km) |
| Plovdiv to Socorro (Texas) | 6,464.69 mi (10,403.91 km) |
| Plovdiv to Soddy-Daisy (Tennessee) | 5,497.60 mi (8,847.53 km) |
| Plovdiv to Solana Beach (California) | 6,713.00 mi (10,803.54 km) |
| Plovdiv to Soledad (California) | 6,600.41 mi (10,622.33 km) |
| Plovdiv to Solon (Ohio) | 5,059.51 mi (8,142.49 km) |
| Plovdiv to Somers Point (New Jersey) | 4,878.90 mi (7,851.82 km) |
| Plovdiv to Somerset (Kentucky) | 5,386.63 mi (8,668.94 km) |
| Plovdiv to Somerset (New Jersey) | 4,822.78 mi (7,761.51 km) |
