| Ottawa to Fontana (California) | 1,634.52 mi (2,630.51 km) |
| Ottawa to Foothill Farms (California) | 1,720.48 mi (2,768.85 km) |
| Ottawa to Fords (New Jersey) | 758.66 mi (1,220.94 km) |
| Ottawa to Forest (Virginia) | 578.82 mi (931.52 km) |
| Ottawa to Forest Acres (South Carolina) | 663.04 mi (1,067.05 km) |
| Ottawa to Forest City (Florida) | 970.50 mi (1,561.86 km) |
| Ottawa to Forest Grove (Oregon) | 1,730.35 mi (2,784.73 km) |
| Ottawa to Forest Hill (Texas) | 759.20 mi (1,221.82 km) |
| Ottawa to Forest Hills (Michigan) | 203.60 mi (327.66 km) |
| Ottawa to Forest Lake (Minnesota) | 340.05 mi (547.26 km) |
| Ottawa to Forest Park (Georgia) | 587.63 mi (945.70 km) |
| Ottawa to Forest Park (Illinois) | 63.08 mi (101.52 km) |
| Ottawa to Forest Park (Ohio) | 267.83 mi (431.04 km) |
| Ottawa to Forestville (Maryland) | 654.46 mi (1,053.25 km) |
| Ottawa to Forestville (Ohio) | 284.48 mi (457.83 km) |
