| Cumberland to Oswego (Illinois) | 520.94 mi (838.38 km) |
| Cumberland to Oswego (New York) | 287.32 mi (462.39 km) |
| Cumberland to Otsego (Minnesota) | 849.30 mi (1,366.82 km) |
| Cumberland to Ottawa (Illinois) | 541.52 mi (871.50 km) |
| Cumberland to Ottawa (Kansas) | 886.41 mi (1,426.53 km) |
| Cumberland to Ottumwa (Iowa) | 724.87 mi (1,166.56 km) |
| Cumberland to Overland (Missouri) | 624.94 mi (1,005.75 km) |
| Cumberland to Overland Park (Kansas) | 852.55 mi (1,372.04 km) |
| Cumberland to Overlea (Maryland) | 121.09 mi (194.88 km) |
| Cumberland to Oviedo (Florida) | 772.08 mi (1,242.54 km) |
| Cumberland to Owasso (Oklahoma) | 956.89 mi (1,539.97 km) |
| Cumberland to Owatonna (Minnesota) | 803.93 mi (1,293.80 km) |
| Cumberland to Owensboro (Kentucky) | 469.11 mi (754.95 km) |
| Cumberland to Owings Mills (Maryland) | 106.13 mi (170.80 km) |
| Cumberland to Owosso (Michigan) | 363.74 mi (585.38 km) |
