| Tomball to Rosemead (California) | 1,340.47 mi (2,157.27 km) |
| Tomball to Rosemont (California) | 1,573.76 mi (2,532.72 km) |
| Tomball to Rosemount (Minnesota) | 1,021.82 mi (1,644.47 km) |
| Tomball to Rosenberg (Texas) | 39.87 mi (64.16 km) |
| Tomball to Roseville (California) | 1,575.68 mi (2,535.81 km) |
| Tomball to Roseville (Michigan) | 1,108.32 mi (1,783.67 km) |
| Tomball to Roseville (Minnesota) | 1,039.56 mi (1,673.02 km) |
| Tomball to Rossmoor (California) | 1,338.59 mi (2,154.25 km) |
| Tomball to Rossville (Maryland) | 1,257.51 mi (2,023.76 km) |
| Tomball to Roswell (Georgia) | 713.29 mi (1,147.92 km) |
| Tomball to Roswell (New Mexico) | 570.19 mi (917.64 km) |
| Tomball to Round Lake (Illinois) | 943.27 mi (1,518.05 km) |
| Tomball to Round Lake Beach (Illinois) | 946.04 mi (1,522.50 km) |
| Tomball to Round Rock (Texas) | 125.56 mi (202.08 km) |
| Tomball to Rowland Heights (California) | 1,328.92 mi (2,138.69 km) |
