| Momchilgrad to Southern Pines (North Carolina) | 5,317.32 mi (8,557.39 km) |
| Momchilgrad to Southfield (Michigan) | 5,132.21 mi (8,259.49 km) |
| Momchilgrad to Southgate (Michigan) | 5,142.85 mi (8,276.61 km) |
| Momchilgrad to Southlake (Texas) | 6,129.03 mi (9,863.72 km) |
| Momchilgrad to Spanaway (Washington) | 6,003.33 mi (9,661.42 km) |
| Momchilgrad to Spanish Fork (Utah) | 6,186.41 mi (9,956.06 km) |
| Momchilgrad to Spanish Lake (Missouri) | 5,570.11 mi (8,964.23 km) |
| Momchilgrad to Spanish Springs (Nevada) | 6,414.15 mi (10,322.58 km) |
| Momchilgrad to Sparks (Nevada) | 6,420.41 mi (10,332.65 km) |
| Momchilgrad to Spartanburg (South Carolina) | 5,433.86 mi (8,744.95 km) |
| Momchilgrad to Spearfish (South Dakota) | 5,714.56 mi (9,196.69 km) |
| Momchilgrad to Speedway (Indiana) | 5,372.59 mi (8,646.34 km) |
| Momchilgrad to Spencer (Iowa) | 5,519.33 mi (8,882.51 km) |
| Momchilgrad to Spokane (Washington) | 5,868.17 mi (9,443.91 km) |
| Momchilgrad to Spokane Valley (Washington) | 5,864.25 mi (9,437.60 km) |
