| Nieder-Olm to Ottendorf-Okrilla | 261.98 mi (421.61 km) |
| Nieder-Olm to Ottersberg | 224.25 mi (360.90 km) |
| Nieder-Olm to Ottobrunn | 202.09 mi (325.24 km) |
| Nieder-Olm to Ottweiler | 59.58 mi (95.88 km) |
| Nieder-Olm to Overath | 82.21 mi (132.31 km) |
| Nieder-Olm to Oyten | 220.64 mi (355.08 km) |
| Nieder-Olm to Paderborn | 127.34 mi (204.93 km) |
| Nieder-Olm to Papenburg | 220.94 mi (355.56 km) |
| Nieder-Olm to Parchim | 287.96 mi (463.43 km) |
| Nieder-Olm to Pasewalk | 350.79 mi (564.54 km) |
| Nieder-Olm to Passau | 254.56 mi (409.67 km) |
| Nieder-Olm to Pattensen | 176.51 mi (284.06 km) |
| Nieder-Olm to Pegnitz | 149.31 mi (240.29 km) |
| Nieder-Olm to Peine | 188.48 mi (303.33 km) |
| Nieder-Olm to Peissenberg | 195.41 mi (314.49 km) |
