| Comacchio to Robertsville (New Jersey) | 4,197.47 mi (6,755.18 km) |
| Comacchio to Robinson (Texas) | 5,555.98 mi (8,941.49 km) |
| Comacchio to Robstown (Texas) | 5,764.32 mi (9,276.78 km) |
| Comacchio to Rochester (Michigan) | 4,464.89 mi (7,185.54 km) |
| Comacchio to Rochester (Minnesota) | 4,763.17 mi (7,665.58 km) |
| Comacchio to Rochester (New Hampshire) | 3,941.41 mi (6,343.08 km) |
| Comacchio to Rochester (New York) | 4,222.72 mi (6,795.81 km) |
| Comacchio to Rochester Hills (Michigan) | 4,467.29 mi (7,189.41 km) |
| Comacchio to Rock Hill (South Carolina) | 4,716.88 mi (7,591.08 km) |
| Comacchio to Rock Island (Illinois) | 4,810.82 mi (7,742.26 km) |
| Comacchio to Rock Springs (Wyoming) | 5,461.78 mi (8,789.89 km) |
| Comacchio to Rockford (Illinois) | 4,716.20 mi (7,589.99 km) |
| Comacchio to Rockledge (Florida) | 5,004.63 mi (8,054.17 km) |
| Comacchio to Rocklin (California) | 5,980.64 mi (9,624.92 km) |
| Comacchio to Rockport (Texas) | 5,727.75 mi (9,217.92 km) |
