| Most to Robertsville (New Jersey) | 4,067.38 mi (6,545.81 km) |
| Most to Robinson (Texas) | 5,379.53 mi (8,657.52 km) |
| Most to Robstown (Texas) | 5,600.78 mi (9,013.59 km) |
| Most to Rochester (Michigan) | 4,289.62 mi (6,903.47 km) |
| Most to Rochester (Minnesota) | 4,549.35 mi (7,321.47 km) |
| Most to Rochester (New Hampshire) | 3,804.62 mi (6,122.95 km) |
| Most to Rochester (New York) | 4,063.83 mi (6,540.11 km) |
| Most to Rochester Hills (Michigan) | 4,292.01 mi (6,907.32 km) |
| Most to Rock Hill (South Carolina) | 4,591.06 mi (7,388.59 km) |
| Most to Rock Island (Illinois) | 4,615.41 mi (7,427.79 km) |
| Most to Rock Springs (Wyoming) | 5,200.93 mi (8,370.08 km) |
| Most to Rockford (Illinois) | 4,522.37 mi (7,278.05 km) |
| Most to Rockledge (Florida) | 4,914.76 mi (7,909.54 km) |
| Most to Rocklin (California) | 5,686.98 mi (9,152.30 km) |
| Most to Rockport (Texas) | 5,565.89 mi (8,957.43 km) |
