| San Gregorio di Catania to Rockville (Maryland) | 4,760.58 mi (7,661.41 km) |
| San Gregorio di Catania to Rockville Centre (New York) | 4,544.49 mi (7,313.64 km) |
| San Gregorio di Catania to Rockwall (Texas) | 5,874.09 mi (9,453.43 km) |
| San Gregorio di Catania to Rocky Mount (North Carolina) | 4,906.31 mi (7,895.94 km) |
| San Gregorio di Catania to Rocky Point (New York) | 4,503.30 mi (7,247.36 km) |
| San Gregorio di Catania to Rocky River (Ohio) | 4,879.98 mi (7,853.56 km) |
| San Gregorio di Catania to Roessleville (New York) | 4,482.89 mi (7,214.51 km) |
| San Gregorio di Catania to Rogers (Arkansas) | 5,621.08 mi (9,046.25 km) |
| San Gregorio di Catania to Rogers (Minnesota) | 5,204.00 mi (8,375.03 km) |
| San Gregorio di Catania to Rohnert Park (California) | 6,544.72 mi (10,532.72 km) |
| San Gregorio di Catania to Rolla (Missouri) | 5,447.79 mi (8,767.37 km) |
| San Gregorio di Catania to Rolling Meadows (Illinois) | 5,116.44 mi (8,234.12 km) |
| San Gregorio di Catania to Roma (Texas) | 6,293.13 mi (10,127.82 km) |
| San Gregorio di Catania to Rome (Georgia) | 5,315.45 mi (8,554.40 km) |
| San Gregorio di Catania to Rome (New York) | 4,539.78 mi (7,306.06 km) |
