| Comacchio to River Ridge (Louisiana) | 5,344.39 mi (8,600.97 km) |
| Comacchio to Riverbank (California) | 6,035.96 mi (9,713.94 km) |
| Comacchio to Riverdale (Georgia) | 4,925.26 mi (7,926.45 km) |
| Comacchio to Riverdale (Illinois) | 4,688.91 mi (7,546.07 km) |
| Comacchio to Riverside (California) | 6,151.17 mi (9,899.35 km) |
| Comacchio to Riverside (Ohio) | 4,631.94 mi (7,454.39 km) |
| Comacchio to Riverton (Utah) | 5,607.62 mi (9,024.60 km) |
| Comacchio to Riverton (Wyoming) | 5,357.86 mi (8,622.64 km) |
| Comacchio to Riverview (Florida) | 5,098.49 mi (8,205.22 km) |
| Comacchio to Riverview (Michigan) | 4,490.01 mi (7,225.98 km) |
| Comacchio to Riviera Beach (Florida) | 5,045.58 mi (8,120.07 km) |
| Comacchio to Riviera Beach (Maryland) | 4,341.17 mi (6,986.43 km) |
| Comacchio to Roanoke (Virginia) | 4,568.09 mi (7,351.63 km) |
| Comacchio to Roanoke Rapids (North Carolina) | 4,504.55 mi (7,249.38 km) |
| Comacchio to Robbinsdale (Minnesota) | 4,746.90 mi (7,639.40 km) |
