| Clay to Oschatz | 4,823.25 mi (7,762.27 km) |
| Clay to Oschersleben | 4,729.69 mi (7,611.71 km) |
| Clay to Osnabruck | 4,600.06 mi (7,403.08 km) |
| Clay to Ostbevern | 4,599.46 mi (7,402.11 km) |
| Clay to Osterburg | 4,724.40 mi (7,603.20 km) |
| Clay to Ostercappeln | 4,605.08 mi (7,411.15 km) |
| Clay to Osterhofen | 4,908.23 mi (7,899.03 km) |
| Clay to Osterholz-Scharmbeck | 4,600.70 mi (7,404.12 km) |
| Clay to Osternienburg | 4,765.58 mi (7,669.46 km) |
| Clay to Osterode | 4,701.02 mi (7,565.55 km) |
| Clay to Osterwieck | 4,711.15 mi (7,581.86 km) |
| Clay to Ostfildern | 4,756.37 mi (7,654.64 km) |
| Clay to Osthofen | 4,688.79 mi (7,545.87 km) |
| Clay to Ostrhauderfehn | 4,559.25 mi (7,337.41 km) |
| Clay to Ostringen | 4,719.28 mi (7,594.94 km) |
