| Simi Valley to Worthington (Ohio) | 1,993.65 mi (3,208.47 km) |
| Simi Valley to Wright (Florida) | 1,884.61 mi (3,032.99 km) |
| Simi Valley to Wyandanch (New York) | 2,499.30 mi (4,022.23 km) |
| Simi Valley to Wyandotte (Michigan) | 1,992.08 mi (3,205.94 km) |
| Simi Valley to Wylie (Texas) | 1,279.01 mi (2,058.36 km) |
| Simi Valley to Wyndham (Virginia) | 2,293.80 mi (3,691.51 km) |
| Simi Valley to Wyoming (Michigan) | 1,867.62 mi (3,005.64 km) |
| Simi Valley to Wyomissing (Pennsylvania) | 2,364.88 mi (3,805.91 km) |
| Simi Valley to Xenia (Ohio) | 1,944.82 mi (3,129.88 km) |
| Simi Valley to Yakima (Washington) | 856.83 mi (1,378.93 km) |
| Simi Valley to Yankton (South Dakota) | 1,293.19 mi (2,081.19 km) |
| Simi Valley to Yauco (Puerto Rico) | 3,368.39 mi (5,420.89 km) |
| Simi Valley to Yazoo City (Mississippi) | 1,629.34 mi (2,622.17 km) |
| Simi Valley to Yeadon (Pennsylvania) | 2,404.72 mi (3,870.02 km) |
| Simi Valley to Yelm (Washington) | 898.66 mi (1,446.25 km) |
