| Sofia to Willow Grove (Pennsylvania) | 4,782.90 mi (7,697.33 km) |
| Sofia to Willowbrook (California) | 6,611.97 mi (10,640.93 km) |
| Sofia to Willowick (Ohio) | 4,969.54 mi (7,997.70 km) |
| Sofia to Wilmette (Illinois) | 5,183.50 mi (8,342.03 km) |
| Sofia to Wilmington (Delaware) | 4,818.01 mi (7,753.83 km) |
| Sofia to Wilmington (North Carolina) | 5,164.61 mi (8,311.64 km) |
| Sofia to Wilmington (Ohio) | 5,162.94 mi (8,308.95 km) |
| Sofia to Wilmington Island (Georgia) | 5,399.39 mi (8,689.47 km) |
| Sofia to Wilson (North Carolina) | 5,096.74 mi (8,202.41 km) |
| Sofia to Wilsonville (Oregon) | 6,007.91 mi (9,668.79 km) |
| Sofia to Wilton Manors (Florida) | 5,641.02 mi (9,078.35 km) |
| Sofia to Wimauma (Florida) | 5,662.96 mi (9,113.66 km) |
| Sofia to Winchester (Kentucky) | 5,245.91 mi (8,442.47 km) |
| Sofia to Winchester (Nevada) | 6,394.15 mi (10,290.39 km) |
| Sofia to Winchester (Virginia) | 4,950.86 mi (7,967.64 km) |
