| Crosby to Olympia Heights (Florida) | 4,296.43 mi (6,914.43 km) |
| Crosby to Omaha (Nebraska) | 4,115.76 mi (6,623.68 km) |
| Crosby to On Top of the World Designated Place (Florida) | 4,200.70 mi (6,760.37 km) |
| Crosby to Onalaska (Wisconsin) | 3,813.27 mi (6,136.86 km) |
| Crosby to Oneida (New York) | 3,265.25 mi (5,254.91 km) |
| Crosby to Oneonta (New York) | 3,269.27 mi (5,261.38 km) |
| Crosby to Ontario (California) | 5,239.08 mi (8,431.49 km) |
| Crosby to Ontario (Oregon) | 4,654.03 mi (7,489.94 km) |
| Crosby to Opa-locka (Florida) | 4,283.85 mi (6,894.19 km) |
| Crosby to Opelika (Alabama) | 4,143.34 mi (6,668.07 km) |
| Crosby to Opelousas (Louisiana) | 4,516.67 mi (7,268.88 km) |
| Crosby to Orange (California) | 5,259.47 mi (8,464.31 km) |
| Crosby to Orange (Texas) | 4,603.00 mi (7,407.82 km) |
| Crosby to Orange City (Florida) | 4,169.05 mi (6,709.44 km) |
| Crosby to Orangeburg (South Carolina) | 3,921.94 mi (6,311.76 km) |
