| Fort Dodge to Odessa (Texas) | 860.16 mi (1,384.30 km) |
| Fort Dodge to Ogden (Utah) | 918.06 mi (1,477.48 km) |
| Fort Dodge to Oildale (California) | 1,415.70 mi (2,278.35 km) |
| Fort Dodge to Ojus (Florida) | 1,391.87 mi (2,240.00 km) |
| Fort Dodge to Okemos (Michigan) | 496.32 mi (798.74 km) |
| Fort Dodge to Oklahoma City (Oklahoma) | 518.43 mi (834.33 km) |
| Fort Dodge to Okmulgee (Oklahoma) | 486.49 mi (782.92 km) |
| Fort Dodge to Olathe (Kansas) | 252.83 mi (406.89 km) |
| Fort Dodge to Old Jamestown (Missouri) | 325.30 mi (523.52 km) |
| Fort Dodge to Oldsmar (Florida) | 1,188.74 mi (1,913.09 km) |
| Fort Dodge to Olean (New York) | 803.96 mi (1,293.85 km) |
| Fort Dodge to Olive Branch (Mississippi) | 571.15 mi (919.18 km) |
| Fort Dodge to Olivehurst (California) | 1,445.24 mi (2,325.89 km) |
| Fort Dodge to Olney (Maryland) | 922.11 mi (1,484.00 km) |
| Fort Dodge to Olympia (Washington) | 1,434.41 mi (2,308.46 km) |
