| Howard to Robertsville (New Jersey) | 760.52 mi (1,223.94 km) |
| Howard to Robinson (Texas) | 1,029.61 mi (1,656.99 km) |
| Howard to Robstown (Texas) | 1,274.06 mi (2,050.40 km) |
| Howard to Rochester (Michigan) | 280.63 mi (451.64 km) |
| Howard to Rochester (Minnesota) | 220.21 mi (354.39 km) |
| Howard to Rochester (New Hampshire) | 854.46 mi (1,375.13 km) |
| Howard to Rochester (New York) | 530.38 mi (853.56 km) |
| Howard to Rochester Hills (Michigan) | 279.77 mi (450.25 km) |
| Howard to Rock Hill (South Carolina) | 763.21 mi (1,228.27 km) |
| Howard to Rock Island (Illinois) | 248.38 mi (399.73 km) |
| Howard to Rock Springs (Wyoming) | 1,082.63 mi (1,742.33 km) |
| Howard to Rockford (Illinois) | 166.93 mi (268.64 km) |
| Howard to Rockledge (Florida) | 1,193.63 mi (1,920.96 km) |
| Howard to Rocklin (California) | 1,743.62 mi (2,806.09 km) |
| Howard to Rockport (Texas) | 1,245.58 mi (2,004.57 km) |
