| Winnetka to Oschatz | 4,432.51 mi (7,133.44 km) |
| Winnetka to Oschersleben | 4,338.94 mi (6,982.85 km) |
| Winnetka to Osnabruck | 4,215.64 mi (6,784.42 km) |
| Winnetka to Ostbevern | 4,217.40 mi (6,787.25 km) |
| Winnetka to Osterburg | 4,326.87 mi (6,963.43 km) |
| Winnetka to Ostercappeln | 4,219.69 mi (6,790.94 km) |
| Winnetka to Osterhofen | 4,535.96 mi (7,299.92 km) |
| Winnetka to Osterholz-Scharmbeck | 4,207.48 mi (6,771.29 km) |
| Winnetka to Osternienburg | 4,374.32 mi (7,039.79 km) |
| Winnetka to Osterode | 4,314.98 mi (6,944.29 km) |
| Winnetka to Osterwieck | 4,322.16 mi (6,955.85 km) |
| Winnetka to Ostfildern | 4,395.29 mi (7,073.53 km) |
| Winnetka to Osthofen | 4,323.04 mi (6,957.26 km) |
| Winnetka to Ostrhauderfehn | 4,169.66 mi (6,710.41 km) |
| Winnetka to Ostringen | 4,356.12 mi (7,010.50 km) |
