| Howard to Rosemont (California) | 1,756.21 mi (2,826.35 km) |
| Howard to Rosemount (Minnesota) | 244.69 mi (393.78 km) |
| Howard to Rosenberg (Texas) | 1,120.88 mi (1,803.88 km) |
| Howard to Roseville (California) | 1,748.15 mi (2,813.37 km) |
| Howard to Roseville (Michigan) | 294.88 mi (474.57 km) |
| Howard to Roseville (Minnesota) | 250.05 mi (402.41 km) |
| Howard to Rossmoor (California) | 1,757.23 mi (2,827.98 km) |
| Howard to Rossville (Maryland) | 696.06 mi (1,120.20 km) |
| Howard to Roswell (Georgia) | 754.40 mi (1,214.09 km) |
| Howard to Roswell (New Mexico) | 1,169.88 mi (1,882.73 km) |
| Howard to Round Lake (Illinois) | 153.86 mi (247.61 km) |
| Howard to Round Lake Beach (Illinois) | 151.40 mi (243.65 km) |
| Howard to Round Rock (Texas) | 1,101.05 mi (1,771.98 km) |
| Howard to Rowland Heights (California) | 1,741.18 mi (2,802.16 km) |
| Howard to Rowlett (Texas) | 924.05 mi (1,487.11 km) |
