| Rockville to North Miami Beach (Florida) | 925.41 mi (1,489.30 km) |
| Rockville to North Myrtle Beach (South Carolina) | 373.53 mi (601.14 km) |
| Rockville to North New Hyde Park (New York) | 216.69 mi (348.73 km) |
| Rockville to North Ogden (Utah) | 1,830.85 mi (2,946.48 km) |
| Rockville to North Olmsted (Ohio) | 298.36 mi (480.16 km) |
| Rockville to North Palm Beach (Florida) | 863.61 mi (1,389.84 km) |
| Rockville to North Plainfield (New Jersey) | 179.01 mi (288.09 km) |
| Rockville to North Platte (Nebraska) | 1,251.74 mi (2,014.48 km) |
| Rockville to North Port (Florida) | 880.29 mi (1,416.69 km) |
| Rockville to North Potomac (Maryland) | 4.48 mi (7.20 km) |
| Rockville to North Richland Hills (Texas) | 1,198.24 mi (1,928.38 km) |
| Rockville to North Ridgeville (Ohio) | 301.79 mi (485.68 km) |
| Rockville to North Royalton (Ohio) | 287.02 mi (461.92 km) |
| Rockville to North Salt Lake (Utah) | 1,832.89 mi (2,949.75 km) |
| Rockville to North St. Paul (Minnesota) | 908.19 mi (1,461.59 km) |
