| Willoughby to National City (California) | 2,044.38 mi (3,290.11 km) |
| Willoughby to Naugatuck (Connecticut) | 431.95 mi (695.16 km) |
| Willoughby to Navarre (Florida) | 833.62 mi (1,341.58 km) |
| Willoughby to Nederland (Texas) | 1,069.36 mi (1,720.97 km) |
| Willoughby to Neenah (Wisconsin) | 397.68 mi (640.01 km) |
| Willoughby to Neosho (Missouri) | 768.04 mi (1,236.04 km) |
| Willoughby to Nesconset (New York) | 432.28 mi (695.68 km) |
| Willoughby to New Albany (Indiana) | 328.24 mi (528.25 km) |
| Willoughby to New Albany (Ohio) | 129.86 mi (208.99 km) |
| Willoughby to New Baltimore (Michigan) | 99.28 mi (159.77 km) |
| Willoughby to New Baltimore (Virginia) | 279.30 mi (449.49 km) |
| Willoughby to New Bedford (Massachusetts) | 539.92 mi (868.92 km) |
| Willoughby to New Berlin (Wisconsin) | 355.31 mi (571.82 km) |
| Willoughby to New Bern (North Carolina) | 509.73 mi (820.33 km) |
| Willoughby to New Braunfels (Texas) | 1,245.13 mi (2,003.85 km) |
