| Bay City to Southern Pines (North Carolina) | 627.43 mi (1,009.75 km) |
| Bay City to Southfield (Michigan) | 83.23 mi (133.95 km) |
| Bay City to Southgate (Michigan) | 101.78 mi (163.80 km) |
| Bay City to Southlake (Texas) | 1,025.83 mi (1,650.91 km) |
| Bay City to Spanaway (Washington) | 1,867.72 mi (3,005.80 km) |
| Bay City to Spanish Fork (Utah) | 1,441.46 mi (2,319.81 km) |
| Bay City to Spanish Lake (Missouri) | 466.66 mi (751.01 km) |
| Bay City to Spanish Springs (Nevada) | 1,853.33 mi (2,982.64 km) |
| Bay City to Sparks (Nevada) | 1,857.65 mi (2,989.60 km) |
| Bay City to Spartanburg (South Carolina) | 606.49 mi (976.06 km) |
| Bay City to Spearfish (South Dakota) | 989.21 mi (1,591.98 km) |
| Bay City to Speedway (Indiana) | 289.15 mi (465.34 km) |
| Bay City to Spencer (Iowa) | 566.19 mi (911.20 km) |
| Bay City to Spokane (Washington) | 1,631.85 mi (2,626.20 km) |
| Bay City to Spokane Valley (Washington) | 1,622.64 mi (2,611.38 km) |
