| Comacchio to Rosemont (California) | 5,998.97 mi (9,654.41 km) |
| Comacchio to Rosemount (Minnesota) | 4,750.37 mi (7,644.98 km) |
| Comacchio to Rosenberg (Texas) | 5,599.46 mi (9,011.46 km) |
| Comacchio to Roseville (California) | 5,984.81 mi (9,631.63 km) |
| Comacchio to Roseville (Michigan) | 4,465.29 mi (7,186.19 km) |
| Comacchio to Roseville (Minnesota) | 4,740.98 mi (7,629.86 km) |
| Comacchio to Rossmoor (California) | 6,181.26 mi (9,947.78 km) |
| Comacchio to Rossville (Maryland) | 4,330.98 mi (6,970.04 km) |
| Comacchio to Roswell (Georgia) | 4,900.88 mi (7,887.21 km) |
| Comacchio to Roswell (New Mexico) | 5,741.81 mi (9,240.55 km) |
| Comacchio to Round Lake (Illinois) | 4,675.51 mi (7,524.50 km) |
| Comacchio to Round Lake Beach (Illinois) | 4,672.94 mi (7,520.37 km) |
| Comacchio to Round Rock (Texas) | 5,624.71 mi (9,052.09 km) |
| Comacchio to Rowland Heights (California) | 6,164.76 mi (9,921.22 km) |
| Comacchio to Rowlett (Texas) | 5,459.22 mi (8,785.76 km) |
