| Manassas to Rosemont (California) | 2,344.11 mi (3,772.47 km) |
| Manassas to Rosemount (Minnesota) | 901.80 mi (1,451.31 km) |
| Manassas to Rosenberg (Texas) | 1,222.81 mi (1,967.93 km) |
| Manassas to Roseville (California) | 2,338.45 mi (3,763.37 km) |
| Manassas to Roseville (Michigan) | 386.16 mi (621.47 km) |
| Manassas to Roseville (Minnesota) | 912.88 mi (1,469.14 km) |
| Manassas to Rossmoor (California) | 2,268.59 mi (3,650.94 km) |
| Manassas to Rossville (Maryland) | 68.50 mi (110.24 km) |
| Manassas to Roswell (Georgia) | 501.46 mi (807.02 km) |
| Manassas to Roswell (New Mexico) | 1,549.42 mi (2,493.55 km) |
| Manassas to Round Lake (Illinois) | 609.95 mi (981.62 km) |
| Manassas to Round Lake Beach (Illinois) | 609.63 mi (981.10 km) |
| Manassas to Round Rock (Texas) | 1,276.24 mi (2,053.91 km) |
| Manassas to Rowland Heights (California) | 2,254.01 mi (3,627.48 km) |
| Manassas to Rowlett (Texas) | 1,138.76 mi (1,832.66 km) |
