| Ottawa to National City (California) | 1,662.20 mi (2,675.04 km) |
| Ottawa to Naugatuck (Connecticut) | 816.18 mi (1,313.52 km) |
| Ottawa to Navarre (Florida) | 763.42 mi (1,228.60 km) |
| Ottawa to Nederland (Texas) | 838.12 mi (1,348.82 km) |
| Ottawa to Neenah (Wisconsin) | 195.06 mi (313.91 km) |
| Ottawa to Neosho (Missouri) | 430.77 mi (693.26 km) |
| Ottawa to Nesconset (New York) | 815.71 mi (1,312.76 km) |
| Ottawa to New Albany (Indiana) | 263.95 mi (424.78 km) |
| Ottawa to New Albany (Ohio) | 328.32 mi (528.38 km) |
| Ottawa to New Baltimore (Michigan) | 325.64 mi (524.07 km) |
| Ottawa to New Baltimore (Virginia) | 614.09 mi (988.28 km) |
| Ottawa to New Bedford (Massachusetts) | 923.84 mi (1,486.77 km) |
| Ottawa to New Berlin (Wisconsin) | 117.29 mi (188.76 km) |
| Ottawa to New Bern (North Carolina) | 769.67 mi (1,238.66 km) |
| Ottawa to New Braunfels (Texas) | 958.55 mi (1,542.64 km) |
