| Rockville to Newark (Delaware) | 85.19 mi (137.10 km) |
| Rockville to Newark (New Jersey) | 194.54 mi (313.07 km) |
| Rockville to Newark (Ohio) | 288.76 mi (464.71 km) |
| Rockville to Newberg (Oregon) | 2,351.22 mi (3,783.92 km) |
| Rockville to Newberry (South Carolina) | 413.11 mi (664.84 km) |
| Rockville to Newburyport (Massachusetts) | 416.17 mi (669.76 km) |
| Rockville to Newcastle (Oklahoma) | 1,153.91 mi (1,857.04 km) |
| Rockville to Newcastle (Washington) | 2,302.36 mi (3,705.28 km) |
| Rockville to Newington (Virginia) | 24.13 mi (38.84 km) |
| Rockville to Newington Forest (Virginia) | 24.30 mi (39.11 km) |
| Rockville to Newman (California) | 2,361.70 mi (3,800.79 km) |
| Rockville to Newnan (Georgia) | 579.13 mi (932.02 km) |
| Rockville to Newport (Kentucky) | 393.09 mi (632.62 km) |
| Rockville to Newport (Oregon) | 2,409.81 mi (3,878.21 km) |
| Rockville to Newport (Rhode Island) | 349.20 mi (561.98 km) |
