| Harrison to Robertsville (New Jersey) | 56.04 mi (90.19 km) |
| Harrison to Robinson (Texas) | 1,455.86 mi (2,342.99 km) |
| Harrison to Robstown (Texas) | 1,634.20 mi (2,629.99 km) |
| Harrison to Rochester (Michigan) | 496.95 mi (799.76 km) |
| Harrison to Rochester (Minnesota) | 975.11 mi (1,569.28 km) |
| Harrison to Rochester (New Hampshire) | 210.73 mi (339.14 km) |
| Harrison to Rochester (New York) | 248.69 mi (400.22 km) |
| Harrison to Rochester Hills (Michigan) | 498.50 mi (802.26 km) |
| Harrison to Rock Hill (South Carolina) | 578.23 mi (930.57 km) |
| Harrison to Rock Island (Illinois) | 875.20 mi (1,408.50 km) |
| Harrison to Rock Springs (Wyoming) | 1,829.84 mi (2,944.84 km) |
| Harrison to Rockford (Illinois) | 795.81 mi (1,280.73 km) |
| Harrison to Rockledge (Florida) | 963.17 mi (1,550.08 km) |
| Harrison to Rocklin (California) | 2,492.14 mi (4,010.70 km) |
| Harrison to Rockport (Texas) | 1,595.90 mi (2,568.35 km) |
