| Richfield to Odenton (Maryland) | 939.65 mi (1,512.23 km) |
| Richfield to Odessa (Texas) | 1,021.79 mi (1,644.41 km) |
| Richfield to Ogden (Utah) | 974.05 mi (1,567.58 km) |
| Richfield to Oildale (California) | 1,499.57 mi (2,413.33 km) |
| Richfield to Ojus (Florida) | 1,497.16 mi (2,409.44 km) |
| Richfield to Okemos (Michigan) | 466.81 mi (751.26 km) |
| Richfield to Oklahoma City (Oklahoma) | 687.12 mi (1,105.81 km) |
| Richfield to Okmulgee (Oklahoma) | 655.82 mi (1,055.44 km) |
| Richfield to Olathe (Kansas) | 421.54 mi (678.40 km) |
| Richfield to Old Jamestown (Missouri) | 444.64 mi (715.59 km) |
| Richfield to Oldsmar (Florida) | 1,300.89 mi (2,093.58 km) |
| Richfield to Olean (New York) | 767.96 mi (1,235.91 km) |
| Richfield to Olive Branch (Mississippi) | 708.68 mi (1,140.51 km) |
| Richfield to Olivehurst (California) | 1,497.98 mi (2,410.77 km) |
| Richfield to Olney (Maryland) | 919.40 mi (1,479.64 km) |
