| San Gregorio di Catania to Romeoville (Illinois) | 5,137.80 mi (8,268.48 km) |
| San Gregorio di Catania to Romulus (Michigan) | 4,915.79 mi (7,911.20 km) |
| San Gregorio di Catania to Ronkonkoma (New York) | 4,516.34 mi (7,268.34 km) |
| San Gregorio di Catania to Roosevelt (New York) | 4,541.47 mi (7,308.79 km) |
| San Gregorio di Catania to Rosamond (California) | 6,606.04 mi (10,631.40 km) |
| San Gregorio di Catania to Rosaryville (Maryland) | 4,757.11 mi (7,655.84 km) |
| San Gregorio di Catania to Roscoe (Illinois) | 5,142.16 mi (8,275.50 km) |
| San Gregorio di Catania to Rose Hill (Virginia) | 4,769.27 mi (7,675.40 km) |
| San Gregorio di Catania to Roseburg (Oregon) | 6,277.17 mi (10,102.13 km) |
| San Gregorio di Catania to Rosedale (California) | 6,608.63 mi (10,635.57 km) |
| San Gregorio di Catania to Rosedale (Maryland) | 4,722.28 mi (7,599.78 km) |
| San Gregorio di Catania to Roselle (Illinois) | 5,122.82 mi (8,244.38 km) |
| San Gregorio di Catania to Roselle (New Jersey) | 4,573.15 mi (7,359.78 km) |
| San Gregorio di Catania to Roselle Park (New Jersey) | 4,573.02 mi (7,359.57 km) |
| San Gregorio di Catania to Rosemead (California) | 6,646.48 mi (10,696.48 km) |
