| Comacchio to Romeoville (Illinois) | 4,707.52 mi (7,576.02 km) |
| Comacchio to Romulus (Michigan) | 4,494.64 mi (7,233.42 km) |
| Comacchio to Ronkonkoma (New York) | 4,128.85 mi (6,644.74 km) |
| Comacchio to Roosevelt (New York) | 4,153.45 mi (6,684.33 km) |
| Comacchio to Rosamond (California) | 6,122.90 mi (9,853.85 km) |
| Comacchio to Rosaryville (Maryland) | 4,370.53 mi (7,033.69 km) |
| Comacchio to Roscoe (Illinois) | 4,706.50 mi (7,574.37 km) |
| Comacchio to Rose Hill (Virginia) | 4,381.77 mi (7,051.78 km) |
| Comacchio to Roseburg (Oregon) | 5,773.85 mi (9,292.11 km) |
| Comacchio to Rosedale (California) | 6,122.51 mi (9,853.23 km) |
| Comacchio to Rosedale (Maryland) | 4,333.60 mi (6,974.26 km) |
| Comacchio to Roselle (Illinois) | 4,691.16 mi (7,549.68 km) |
| Comacchio to Roselle (New Jersey) | 4,183.45 mi (6,732.61 km) |
| Comacchio to Roselle Park (New Jersey) | 4,183.23 mi (6,732.26 km) |
| Comacchio to Rosemead (California) | 6,165.06 mi (9,921.70 km) |
