| River Forest to Oschatz | 4,445.90 mi (7,154.99 km) |
| River Forest to Oschersleben | 4,352.32 mi (7,004.38 km) |
| River Forest to Osnabruck | 4,228.90 mi (6,805.76 km) |
| River Forest to Ostbevern | 4,230.62 mi (6,808.52 km) |
| River Forest to Osterburg | 4,340.37 mi (6,985.14 km) |
| River Forest to Ostercappeln | 4,232.97 mi (6,812.31 km) |
| River Forest to Osterhofen | 4,549.05 mi (7,320.99 km) |
| River Forest to Osterholz-Scharmbeck | 4,220.89 mi (6,792.87 km) |
| River Forest to Osternienburg | 4,387.71 mi (7,061.34 km) |
| River Forest to Osterode | 4,328.28 mi (6,965.69 km) |
| River Forest to Osterwieck | 4,335.51 mi (6,977.33 km) |
| River Forest to Ostfildern | 4,408.17 mi (7,094.26 km) |
| River Forest to Osthofen | 4,335.99 mi (6,978.10 km) |
| River Forest to Ostrhauderfehn | 4,183.00 mi (6,731.88 km) |
| River Forest to Ostringen | 4,369.03 mi (7,031.28 km) |
