| Warfield to Olympia Heights (Florida) | 4,411.46 mi (7,099.55 km) |
| Warfield to Omaha (Nebraska) | 4,271.02 mi (6,873.55 km) |
| Warfield to On Top of the World Designated Place (Florida) | 4,324.34 mi (6,959.35 km) |
| Warfield to Onalaska (Wisconsin) | 3,967.60 mi (6,385.23 km) |
| Warfield to Oneida (New York) | 3,404.28 mi (5,478.66 km) |
| Warfield to Oneonta (New York) | 3,406.50 mi (5,482.24 km) |
| Warfield to Ontario (California) | 5,403.96 mi (8,696.84 km) |
| Warfield to Ontario (Oregon) | 4,822.63 mi (7,761.28 km) |
| Warfield to Opa-locka (Florida) | 4,399.04 mi (7,079.56 km) |
| Warfield to Opelika (Alabama) | 4,276.80 mi (6,882.84 km) |
| Warfield to Opelousas (Louisiana) | 4,655.66 mi (7,492.57 km) |
| Warfield to Orange (California) | 5,424.37 mi (8,729.68 km) |
| Warfield to Orange (Texas) | 4,743.53 mi (7,633.98 km) |
| Warfield to Orange City (Florida) | 4,290.89 mi (6,905.53 km) |
| Warfield to Orangeburg (South Carolina) | 4,050.67 mi (6,518.92 km) |
