| Neunkirchen to Oestrich-Winkel | 58.35 mi (93.91 km) |
| Neunkirchen to Offenburg | 70.26 mi (113.07 km) |
| Neunkirchen to Oftersheim | 63.83 mi (102.72 km) |
| Neunkirchen to Ohrdruf | 188.17 mi (302.83 km) |
| Neunkirchen to Ohringen | 105.69 mi (170.09 km) |
| Neunkirchen to Olbernhau | 288.44 mi (464.20 km) |
| Neunkirchen to Olching | 204.95 mi (329.84 km) |
| Neunkirchen to Oldenburg | 266.01 mi (428.10 km) |
| Neunkirchen to Oldenburg in Holstein | 376.92 mi (606.59 km) |
| Neunkirchen to Olfen | 163.80 mi (263.61 km) |
| Neunkirchen to Olpe | 118.87 mi (191.31 km) |
| Neunkirchen to Olsberg | 149.88 mi (241.20 km) |
| Neunkirchen to Oranienburg | 353.11 mi (568.27 km) |
| Neunkirchen to Ortenberg | 109.12 mi (175.61 km) |
| Neunkirchen to Oschatz | 294.54 mi (474.01 km) |
