| Helmstedt to Oschersleben | 17.79 mi (28.63 km) |
| Helmstedt to Osnabruck | 125.27 mi (201.60 km) |
| Helmstedt to Ostbevern | 134.85 mi (217.01 km) |
| Helmstedt to Osterburg | 49.83 mi (80.19 km) |
| Helmstedt to Ostercappeln | 117.67 mi (189.37 km) |
| Helmstedt to Osterhofen | 259.14 mi (417.05 km) |
| Helmstedt to Osterholz-Scharmbeck | 114.99 mi (185.05 km) |
| Helmstedt to Osternienburg | 52.01 mi (83.71 km) |
| Helmstedt to Osterode | 47.25 mi (76.05 km) |
| Helmstedt to Osterwieck | 21.95 mi (35.33 km) |
| Helmstedt to Ostfildern | 253.55 mi (408.05 km) |
| Helmstedt to Osthofen | 209.58 mi (337.29 km) |
| Helmstedt to Ostrhauderfehn | 154.86 mi (249.22 km) |
| Helmstedt to Ostringen | 230.91 mi (371.62 km) |
| Helmstedt to Oststeinbek | 97.51 mi (156.92 km) |
