| Buffalo Grove to Oschatz | 4,437.09 mi (7,140.80 km) |
| Buffalo Grove to Oschersleben | 4,343.53 mi (6,990.24 km) |
| Buffalo Grove to Osnabruck | 4,220.42 mi (6,792.12 km) |
| Buffalo Grove to Ostbevern | 4,222.24 mi (6,795.04 km) |
| Buffalo Grove to Osterburg | 4,331.29 mi (6,970.54 km) |
| Buffalo Grove to Ostercappeln | 4,224.45 mi (6,798.60 km) |
| Buffalo Grove to Osterhofen | 4,540.98 mi (7,308.01 km) |
| Buffalo Grove to Osterholz-Scharmbeck | 4,212.04 mi (6,778.62 km) |
| Buffalo Grove to Osternienburg | 4,378.89 mi (7,047.15 km) |
| Buffalo Grove to Osterode | 4,319.70 mi (6,951.89 km) |
| Buffalo Grove to Osterwieck | 4,326.81 mi (6,963.32 km) |
| Buffalo Grove to Ostfildern | 4,400.61 mi (7,082.11 km) |
| Buffalo Grove to Osthofen | 4,328.27 mi (6,965.67 km) |
| Buffalo Grove to Ostrhauderfehn | 4,174.32 mi (6,717.91 km) |
| Buffalo Grove to Ostringen | 4,361.41 mi (7,019.01 km) |
