| Glen Ellyn to Oschatz | 4,455.86 mi (7,171.02 km) |
| Glen Ellyn to Oschersleben | 4,362.29 mi (7,020.43 km) |
| Glen Ellyn to Osnabruck | 4,239.00 mi (6,822.02 km) |
| Glen Ellyn to Ostbevern | 4,240.76 mi (6,824.85 km) |
| Glen Ellyn to Osterburg | 4,350.21 mi (7,000.99 km) |
| Glen Ellyn to Ostercappeln | 4,243.06 mi (6,828.54 km) |
| Glen Ellyn to Osterhofen | 4,559.32 mi (7,337.52 km) |
| Glen Ellyn to Osterholz-Scharmbeck | 4,230.84 mi (6,808.87 km) |
| Glen Ellyn to Osternienburg | 4,397.67 mi (7,077.37 km) |
| Glen Ellyn to Osterode | 4,338.34 mi (6,981.89 km) |
| Glen Ellyn to Osterwieck | 4,345.52 mi (6,993.44 km) |
| Glen Ellyn to Ostfildern | 4,418.64 mi (7,111.11 km) |
| Glen Ellyn to Osthofen | 4,346.40 mi (6,994.85 km) |
| Glen Ellyn to Ostrhauderfehn | 4,193.01 mi (6,748.00 km) |
| Glen Ellyn to Ostringen | 4,379.48 mi (7,048.09 km) |
