| Kardzhali to Smyrna (Delaware) | 4,967.38 mi (7,994.23 km) |
| Kardzhali to Smyrna (Georgia) | 5,585.13 mi (8,988.39 km) |
| Kardzhali to Smyrna (Tennessee) | 5,562.85 mi (8,952.55 km) |
| Kardzhali to Snellville (Georgia) | 5,564.48 mi (8,955.16 km) |
| Kardzhali to Snoqualmie (Washington) | 5,956.62 mi (9,586.25 km) |
| Kardzhali to Snyder (Texas) | 6,269.24 mi (10,089.37 km) |
| Kardzhali to Socastee (South Carolina) | 5,363.60 mi (8,631.88 km) |
| Kardzhali to Socorro (Texas) | 6,511.54 mi (10,479.30 km) |
| Kardzhali to Soddy-Daisy (Tennessee) | 5,543.97 mi (8,922.17 km) |
| Kardzhali to Solana Beach (California) | 6,758.97 mi (10,877.52 km) |
| Kardzhali to Soledad (California) | 6,645.50 mi (10,694.89 km) |
| Kardzhali to Solon (Ohio) | 5,106.14 mi (8,217.55 km) |
| Kardzhali to Somers Point (New Jersey) | 4,924.89 mi (7,925.85 km) |
| Kardzhali to Somerset (Kentucky) | 5,433.12 mi (8,743.76 km) |
| Kardzhali to Somerset (New Jersey) | 4,868.92 mi (7,835.76 km) |
