| Ottawa to Delaware (Ohio) | 309.65 mi (498.33 km) |
| Ottawa to Delhi (California) | 1,717.47 mi (2,764.00 km) |
| Ottawa to Delray Beach (Florida) | 1,143.40 mi (1,840.13 km) |
| Ottawa to Deltona (Florida) | 960.81 mi (1,546.27 km) |
| Ottawa to Deming (New Mexico) | 1,216.99 mi (1,958.55 km) |
| Ottawa to Denison (Texas) | 674.13 mi (1,084.91 km) |
| Ottawa to Dent (Ohio) | 265.63 mi (427.49 km) |
| Ottawa to Denton (Texas) | 723.90 mi (1,165.00 km) |
| Ottawa to Dentsville (South Carolina) | 661.29 mi (1,064.24 km) |
| Ottawa to Denver (Colorado) | 848.41 mi (1,365.39 km) |
| Ottawa to Depew (New York) | 529.30 mi (851.83 km) |
| Ottawa to Derby (Connecticut) | 815.53 mi (1,312.47 km) |
| Ottawa to Derby (Kansas) | 520.29 mi (837.33 km) |
| Ottawa to Des Moines (Iowa) | 248.14 mi (399.34 km) |
| Ottawa to Des Moines (Washington) | 1,691.51 mi (2,722.23 km) |
