| Cockermouth to Odessa (Texas) | 4,785.34 mi (7,701.26 km) |
| Cockermouth to Ogden (Utah) | 4,594.38 mi (7,393.93 km) |
| Cockermouth to Oildale (California) | 5,141.31 mi (8,274.13 km) |
| Cockermouth to Ojus (Florida) | 4,255.31 mi (6,848.26 km) |
| Cockermouth to Okemos (Michigan) | 3,574.13 mi (5,752.01 km) |
| Cockermouth to Oklahoma City (Oklahoma) | 4,418.20 mi (7,110.41 km) |
| Cockermouth to Okmulgee (Oklahoma) | 4,355.85 mi (7,010.06 km) |
| Cockermouth to Olathe (Kansas) | 4,142.77 mi (6,667.15 km) |
| Cockermouth to Old Jamestown (Missouri) | 3,980.03 mi (6,405.23 km) |
| Cockermouth to Oldsmar (Florida) | 4,244.03 mi (6,830.11 km) |
| Cockermouth to Olean (New York) | 3,379.02 mi (5,438.00 km) |
| Cockermouth to Olive Branch (Mississippi) | 4,161.57 mi (6,697.40 km) |
| Cockermouth to Olivehurst (California) | 5,003.45 mi (8,052.27 km) |
| Cockermouth to Olney (Maryland) | 3,464.85 mi (5,576.14 km) |
| Cockermouth to Olympia (Washington) | 4,577.61 mi (7,366.95 km) |
