| Harrison to Rockville (Maryland) | 225.79 mi (363.37 km) |
| Harrison to Rockville Centre (New York) | 25.18 mi (40.53 km) |
| Harrison to Rockwall (Texas) | 1,368.15 mi (2,201.83 km) |
| Harrison to Rocky Mount (North Carolina) | 413.14 mi (664.88 km) |
| Harrison to Rocky Point (New York) | 41.29 mi (66.44 km) |
| Harrison to Rocky River (Ohio) | 423.48 mi (681.53 km) |
| Harrison to Roessleville (New York) | 115.68 mi (186.17 km) |
| Harrison to Rogers (Arkansas) | 1,146.19 mi (1,844.62 km) |
| Harrison to Rogers (Minnesota) | 1,039.23 mi (1,672.48 km) |
| Harrison to Rohnert Park (California) | 2,576.44 mi (4,146.39 km) |
| Harrison to Rolla (Missouri) | 983.37 mi (1,582.58 km) |
| Harrison to Rolling Meadows (Illinois) | 742.41 mi (1,194.80 km) |
| Harrison to Roma (Texas) | 1,758.64 mi (2,830.26 km) |
| Harrison to Rome (Georgia) | 780.89 mi (1,256.72 km) |
| Harrison to Rome (New York) | 177.18 mi (285.15 km) |
