| Ottawa to Westland (Michigan) | 288.07 mi (463.60 km) |
| Ottawa to Westminster (California) | 1,672.54 mi (2,691.70 km) |
| Ottawa to Westminster (Colorado) | 856.29 mi (1,378.06 km) |
| Ottawa to Westminster (Maryland) | 632.75 mi (1,018.31 km) |
| Ottawa to Westmont (California) | 1,682.48 mi (2,707.69 km) |
| Ottawa to Westmont (Illinois) | 53.48 mi (86.07 km) |
| Ottawa to Westmont (New Jersey) | 728.19 mi (1,171.91 km) |
| Ottawa to Weston (Florida) | 1,158.32 mi (1,864.14 km) |
| Ottawa to Weston (Wisconsin) | 246.95 mi (397.43 km) |
| Ottawa to Westphalia (Maryland) | 656.91 mi (1,057.19 km) |
| Ottawa to Westview (Florida) | 1,176.14 mi (1,892.81 km) |
| Ottawa to Westwood (New Jersey) | 768.98 mi (1,237.55 km) |
| Ottawa to Westwood Lakes (Florida) | 1,183.22 mi (1,904.21 km) |
| Ottawa to Wheat Ridge (Colorado) | 860.02 mi (1,384.06 km) |
| Ottawa to Wheaton (Illinois) | 50.70 mi (81.60 km) |
