| Gaithersburg to New Britain (Connecticut) | 291.62 mi (469.31 km) |
| Gaithersburg to New Brunswick (New Jersey) | 174.10 mi (280.19 km) |
| Gaithersburg to New Carrollton (Maryland) | 21.46 mi (34.54 km) |
| Gaithersburg to New Cassel (New York) | 223.48 mi (359.66 km) |
| Gaithersburg to New Castle (Indiana) | 437.90 mi (704.74 km) |
| Gaithersburg to New Castle (Pennsylvania) | 209.67 mi (337.44 km) |
| Gaithersburg to New City (New York) | 220.04 mi (354.12 km) |
| Gaithersburg to New Franklin (Ohio) | 263.06 mi (423.35 km) |
| Gaithersburg to New Haven (Connecticut) | 271.61 mi (437.12 km) |
| Gaithersburg to New Haven (Indiana) | 433.36 mi (697.42 km) |
| Gaithersburg to New Hope (Minnesota) | 921.95 mi (1,483.74 km) |
| Gaithersburg to New Hyde Park (New York) | 217.02 mi (349.26 km) |
| Gaithersburg to New Iberia (Louisiana) | 1,041.06 mi (1,675.42 km) |
| Gaithersburg to New Kensington (Pennsylvania) | 167.30 mi (269.24 km) |
| Gaithersburg to New Kingman-Butler (Arizona) | 2,028.68 mi (3,264.84 km) |
