| Simi Valley to Willow Grove (Pennsylvania) | 2,410.67 mi (3,879.59 km) |
| Simi Valley to Willowbrook (California) | 37.85 mi (60.91 km) |
| Simi Valley to Willowick (Ohio) | 2,076.68 mi (3,342.09 km) |
| Simi Valley to Wilmette (Illinois) | 1,758.13 mi (2,829.44 km) |
| Simi Valley to Wilmington (Delaware) | 2,390.54 mi (3,847.21 km) |
| Simi Valley to Wilmington (North Carolina) | 2,317.87 mi (3,730.26 km) |
| Simi Valley to Wilmington (Ohio) | 1,951.67 mi (3,140.91 km) |
| Simi Valley to Wilmington Island (Georgia) | 2,178.63 mi (3,506.16 km) |
| Simi Valley to Wilson (North Carolina) | 2,295.87 mi (3,694.85 km) |
| Simi Valley to Wilsonville (Oregon) | 792.13 mi (1,274.81 km) |
| Simi Valley to Wilton Manors (Florida) | 2,357.45 mi (3,793.96 km) |
| Simi Valley to Wimauma (Florida) | 2,193.95 mi (3,530.83 km) |
| Simi Valley to Winchester (Kentucky) | 1,934.44 mi (3,113.18 km) |
| Simi Valley to Winchester (Nevada) | 241.39 mi (388.48 km) |
| Simi Valley to Winchester (Virginia) | 2,253.63 mi (3,626.86 km) |
