| San Gregorio di Catania to Robertsville (New Jersey) | 4,585.53 mi (7,379.70 km) |
| San Gregorio di Catania to Robinson (Texas) | 5,971.97 mi (9,610.96 km) |
| San Gregorio di Catania to Robstown (Texas) | 6,168.01 mi (9,926.46 km) |
| San Gregorio di Catania to Rochester (Michigan) | 4,887.52 mi (7,865.71 km) |
| San Gregorio di Catania to Rochester (Minnesota) | 5,212.66 mi (8,388.96 km) |
| San Gregorio di Catania to Rochester (New Hampshire) | 4,337.68 mi (6,980.82 km) |
| San Gregorio di Catania to Rochester (New York) | 4,634.35 mi (7,458.27 km) |
| San Gregorio di Catania to Rochester Hills (Michigan) | 4,889.91 mi (7,869.55 km) |
| San Gregorio di Catania to Rock Hill (South Carolina) | 5,096.23 mi (8,201.59 km) |
| San Gregorio di Catania to Rock Island (Illinois) | 5,246.54 mi (8,443.49 km) |
| San Gregorio di Catania to Rock Springs (Wyoming) | 5,939.58 mi (9,558.84 km) |
| San Gregorio di Catania to Rockford (Illinois) | 5,151.34 mi (8,290.28 km) |
| San Gregorio di Catania to Rockledge (Florida) | 5,348.07 mi (8,606.89 km) |
| San Gregorio di Catania to Rocklin (California) | 6,475.71 mi (10,421.65 km) |
| San Gregorio di Catania to Rockport (Texas) | 6,130.26 mi (9,865.70 km) |
