| Ottawa to Noblesville (Indiana) | 173.68 mi (279.52 km) |
| Ottawa to Nocatee (Florida) | 881.55 mi (1,418.72 km) |
| Ottawa to Nogales (Arizona) | 1,404.69 mi (2,260.62 km) |
| Ottawa to Nolensville (Tennessee) | 390.64 mi (628.67 km) |
| Ottawa to Norco (California) | 1,644.41 mi (2,646.43 km) |
| Ottawa to Norcross (Georgia) | 571.20 mi (919.26 km) |
| Ottawa to Norfolk (Nebraska) | 445.74 mi (717.34 km) |
| Ottawa to Norfolk (Virginia) | 739.82 mi (1,190.63 km) |
| Ottawa to Normal (Illinois) | 58.23 mi (93.71 km) |
| Ottawa to Norman (Oklahoma) | 625.85 mi (1,007.21 km) |
| Ottawa to Norridge (Illinois) | 66.68 mi (107.31 km) |
| Ottawa to Norristown (Pennsylvania) | 710.41 mi (1,143.30 km) |
| Ottawa to North Adams (Massachusetts) | 810.39 mi (1,304.20 km) |
| Ottawa to North Amityville (New York) | 803.65 mi (1,293.35 km) |
| Ottawa to North Arlington (New Jersey) | 765.73 mi (1,232.32 km) |
