| Ilsenburg to Oschersleben | 26.27 mi (42.28 km) |
| Ilsenburg to Osnabruck | 115.47 mi (185.82 km) |
| Ilsenburg to Ostbevern | 121.41 mi (195.38 km) |
| Ilsenburg to Osterburg | 78.13 mi (125.73 km) |
| Ilsenburg to Ostercappeln | 109.19 mi (175.73 km) |
| Ilsenburg to Osterhofen | 241.75 mi (389.06 km) |
| Ilsenburg to Osterholz-Scharmbeck | 122.32 mi (196.85 km) |
| Ilsenburg to Osternienburg | 57.12 mi (91.92 km) |
| Ilsenburg to Osterode | 20.75 mi (33.39 km) |
| Ilsenburg to Osterwieck | 7.05 mi (11.35 km) |
| Ilsenburg to Ostfildern | 225.54 mi (362.97 km) |
| Ilsenburg to Osthofen | 181.16 mi (291.55 km) |
| Ilsenburg to Ostrhauderfehn | 155.23 mi (249.82 km) |
| Ilsenburg to Ostringen | 202.36 mi (325.67 km) |
| Ilsenburg to Oststeinbek | 117.91 mi (189.75 km) |
