| Union to Oschatz | 4,735.50 mi (7,621.06 km) |
| Union to Oschersleben | 4,641.88 mi (7,470.38 km) |
| Union to Osnabruck | 4,517.85 mi (7,270.77 km) |
| Union to Ostbevern | 4,519.35 mi (7,273.19 km) |
| Union to Osterburg | 4,630.42 mi (7,451.95 km) |
| Union to Ostercappeln | 4,522.01 mi (7,277.47 km) |
| Union to Osterhofen | 4,837.03 mi (7,784.45 km) |
| Union to Osterholz-Scharmbeck | 4,510.57 mi (7,259.07 km) |
| Union to Osternienburg | 4,677.33 mi (7,527.43 km) |
| Union to Osterode | 4,617.43 mi (7,431.03 km) |
| Union to Osterwieck | 4,624.91 mi (7,443.08 km) |
| Union to Ostfildern | 4,694.82 mi (7,555.59 km) |
| Union to Osthofen | 4,623.12 mi (7,440.20 km) |
| Union to Ostrhauderfehn | 4,472.37 mi (7,197.58 km) |
| Union to Ostringen | 4,655.90 mi (7,492.94 km) |
