| Ottawa to West St. Paul (Minnesota) | 325.75 mi (524.24 km) |
| Ottawa to West University Place (Texas) | 885.15 mi (1,424.51 km) |
| Ottawa to West Valley City (Utah) | 1,205.92 mi (1,940.75 km) |
| Ottawa to West Whittier-Los Nietos (California) | 1,669.47 mi (2,686.76 km) |
| Ottawa to Westbrook (Maine) | 952.33 mi (1,532.63 km) |
| Ottawa to Westbury (New York) | 793.89 mi (1,277.64 km) |
| Ottawa to Westchase (Florida) | 983.43 mi (1,582.67 km) |
| Ottawa to Westchester (Florida) | 1,182.18 mi (1,902.53 km) |
| Ottawa to Westchester (Illinois) | 59.16 mi (95.21 km) |
| Ottawa to Western Springs (Illinois) | 56.93 mi (91.62 km) |
| Ottawa to Westerville (Ohio) | 320.56 mi (515.88 km) |
| Ottawa to Westfield (Indiana) | 167.16 mi (269.02 km) |
| Ottawa to Westfield (Massachusetts) | 828.95 mi (1,334.06 km) |
| Ottawa to Westfield (New Jersey) | 755.86 mi (1,216.44 km) |
| Ottawa to Westlake (Ohio) | 357.39 mi (575.16 km) |
