| Simi Valley to Yonkers (New York) | 2,472.00 mi (3,978.30 km) |
| Simi Valley to Yorba Linda (California) | 61.72 mi (99.33 km) |
| Simi Valley to York (Pennsylvania) | 2,326.44 mi (3,744.05 km) |
| Simi Valley to Yorktown (Indiana) | 1,862.20 mi (2,996.92 km) |
| Simi Valley to Yorkville (Illinois) | 1,717.50 mi (2,764.05 km) |
| Simi Valley to Youngstown (Ohio) | 2,118.56 mi (3,409.50 km) |
| Simi Valley to Youngsville (Louisiana) | 1,585.96 mi (2,552.36 km) |
| Simi Valley to Ypsilanti (Michigan) | 1,968.52 mi (3,168.03 km) |
| Simi Valley to Yuba City (California) | 372.52 mi (599.51 km) |
| Simi Valley to Yucaipa (California) | 98.87 mi (159.11 km) |
| Simi Valley to Yucca Valley (California) | 133.37 mi (214.64 km) |
| Simi Valley to Yukon (Oklahoma) | 1,190.17 mi (1,915.39 km) |
| Simi Valley to Yulee (Florida) | 2,170.31 mi (3,492.77 km) |
| Simi Valley to Yuma (Arizona) | 268.12 mi (431.51 km) |
| Simi Valley to Zachary (Louisiana) | 1,622.18 mi (2,610.64 km) |
