| Champaign to Oschatz | 4,552.56 mi (7,326.64 km) |
| Champaign to Oschersleben | 4,458.90 mi (7,175.90 km) |
| Champaign to Osnabruck | 4,334.38 mi (6,975.51 km) |
| Champaign to Ostbevern | 4,335.73 mi (6,977.68 km) |
| Champaign to Osterburg | 4,447.97 mi (7,158.32 km) |
| Champaign to Ostercappeln | 4,338.60 mi (6,982.31 km) |
| Champaign to Osterhofen | 4,652.93 mi (7,488.16 km) |
| Champaign to Osterholz-Scharmbeck | 4,327.73 mi (6,964.81 km) |
| Champaign to Osternienburg | 4,494.40 mi (7,233.04 km) |
| Champaign to Osterode | 4,434.10 mi (7,136.00 km) |
| Champaign to Osterwieck | 4,441.80 mi (7,148.39 km) |
| Champaign to Ostfildern | 4,510.12 mi (7,258.34 km) |
| Champaign to Osthofen | 4,438.62 mi (7,143.26 km) |
| Champaign to Ostrhauderfehn | 4,289.24 mi (6,902.86 km) |
| Champaign to Ostringen | 4,471.28 mi (7,195.83 km) |
