| Ottawa to Florence (Kentucky) | 274.52 mi (441.80 km) |
| Ottawa to Florence (South Carolina) | 698.89 mi (1,124.75 km) |
| Ottawa to Florence-Graham (California) | 1,678.74 mi (2,701.66 km) |
| Ottawa to Florham Park (New Jersey) | 751.93 mi (1,210.12 km) |
| Ottawa to Florida (Puerto Rico) | 2,061.50 mi (3,317.66 km) |
| Ottawa to Florida City (Florida) | 1,199.08 mi (1,929.74 km) |
| Ottawa to Florida Ridge (Florida) | 1,065.00 mi (1,713.95 km) |
| Ottawa to Florin (California) | 1,727.48 mi (2,780.11 km) |
| Ottawa to Florissant (Missouri) | 193.59 mi (311.56 km) |
| Ottawa to Flower Hill (Maryland) | 631.71 mi (1,016.64 km) |
| Ottawa to Flower Mound (Texas) | 733.16 mi (1,179.91 km) |
| Ottawa to Flowing Wells (Arizona) | 1,371.96 mi (2,207.95 km) |
| Ottawa to Foley (Alabama) | 759.83 mi (1,222.83 km) |
| Ottawa to Folsom (California) | 1,710.26 mi (2,752.40 km) |
| Ottawa to Fond du Lac (Wisconsin) | 168.10 mi (270.54 km) |
