| Comacchio to Oak Harbor (Washington) | 5,454.18 mi (8,777.65 km) |
| Comacchio to Oak Hills (Oregon) | 5,622.88 mi (9,049.16 km) |
| Comacchio to Oak Lawn (Illinois) | 4,690.29 mi (7,548.29 km) |
| Comacchio to Oak Park (California) | 6,179.44 mi (9,944.84 km) |
| Comacchio to Oak Park (Illinois) | 4,683.89 mi (7,538.00 km) |
| Comacchio to Oak Park (Michigan) | 4,476.91 mi (7,204.89 km) |
| Comacchio to Oak Ridge (Florida) | 5,028.36 mi (8,092.37 km) |
| Comacchio to Oak Ridge (New Jersey) | 4,178.36 mi (6,724.42 km) |
| Comacchio to Oak Ridge (Tennessee) | 4,810.52 mi (7,741.78 km) |
| Comacchio to Oakdale (California) | 6,031.11 mi (9,706.13 km) |
| Comacchio to Oakdale (Minnesota) | 4,735.43 mi (7,620.93 km) |
| Comacchio to Oakland (California) | 6,067.88 mi (9,765.31 km) |
| Comacchio to Oakland (New Jersey) | 4,167.50 mi (6,706.94 km) |
| Comacchio to Oakland Park (Florida) | 5,077.14 mi (8,170.87 km) |
| Comacchio to Oakleaf Plantation (Florida) | 4,968.78 mi (7,996.48 km) |
