| Skokie to Odenton (Maryland) | 614.59 mi (989.09 km) |
| Skokie to Odessa (Texas) | 1,066.16 mi (1,715.82 km) |
| Skokie to Ogden (Utah) | 1,248.26 mi (2,008.88 km) |
| Skokie to Oildale (California) | 1,736.47 mi (2,794.58 km) |
| Skokie to Ojus (Florida) | 1,191.55 mi (1,917.62 km) |
| Skokie to Okemos (Michigan) | 175.98 mi (283.22 km) |
| Skokie to Oklahoma City (Oklahoma) | 694.37 mi (1,117.48 km) |
| Skokie to Okmulgee (Oklahoma) | 627.85 mi (1,010.42 km) |
| Skokie to Olathe (Kansas) | 431.04 mi (693.69 km) |
| Skokie to Old Jamestown (Missouri) | 258.21 mi (415.55 km) |
| Skokie to Oldsmar (Florida) | 1,007.45 mi (1,621.34 km) |
| Skokie to Olean (New York) | 477.26 mi (768.07 km) |
| Skokie to Olive Branch (Mississippi) | 501.89 mi (807.71 km) |
| Skokie to Olivehurst (California) | 1,775.22 mi (2,856.94 km) |
| Skokie to Olney (Maryland) | 593.78 mi (955.60 km) |
