| Ottawa to Watervliet (New York) | 780.51 mi (1,256.11 km) |
| Ottawa to Watsonville (California) | 1,780.89 mi (2,866.07 km) |
| Ottawa to Wauconda (Illinois) | 72.79 mi (117.15 km) |
| Ottawa to Waukee (Iowa) | 262.48 mi (422.42 km) |
| Ottawa to Waukegan (Illinois) | 85.58 mi (137.72 km) |
| Ottawa to Waukesha (Wisconsin) | 118.02 mi (189.93 km) |
| Ottawa to Waunakee (Wisconsin) | 130.16 mi (209.47 km) |
| Ottawa to Waupun (Wisconsin) | 157.31 mi (253.17 km) |
| Ottawa to Wausau (Wisconsin) | 252.58 mi (406.49 km) |
| Ottawa to Wauwatosa (Wisconsin) | 124.64 mi (200.59 km) |
| Ottawa to Waverly (Iowa) | 209.57 mi (337.27 km) |
| Ottawa to Waverly (Michigan) | 235.30 mi (378.68 km) |
| Ottawa to Waxahachie (Texas) | 760.11 mi (1,223.29 km) |
| Ottawa to Waxhaw (North Carolina) | 623.61 mi (1,003.60 km) |
| Ottawa to Waycross (Georgia) | 787.50 mi (1,267.35 km) |
