| Ottawa to Willow Grove (Pennsylvania) | 721.61 mi (1,161.32 km) |
| Ottawa to Willowbrook (California) | 1,679.72 mi (2,703.25 km) |
| Ottawa to Willowick (Ohio) | 381.18 mi (613.44 km) |
| Ottawa to Wilmette (Illinois) | 75.44 mi (121.42 km) |
| Ottawa to Wilmington (Delaware) | 705.58 mi (1,135.52 km) |
| Ottawa to Wilmington (North Carolina) | 773.89 mi (1,245.45 km) |
| Ottawa to Wilmington (Ohio) | 295.13 mi (474.97 km) |
| Ottawa to Wilmington Island (Georgia) | 778.18 mi (1,252.37 km) |
| Ottawa to Wilson (North Carolina) | 704.72 mi (1,134.13 km) |
| Ottawa to Wilsonville (Oregon) | 1,714.65 mi (2,759.46 km) |
| Ottawa to Wilton Manors (Florida) | 1,160.96 mi (1,868.38 km) |
| Ottawa to Wimauma (Florida) | 1,013.36 mi (1,630.84 km) |
| Ottawa to Winchester (Kentucky) | 338.21 mi (544.29 km) |
| Ottawa to Winchester (Nevada) | 1,456.79 mi (2,344.48 km) |
| Ottawa to Winchester (Virginia) | 581.03 mi (935.08 km) |
