| Balassagyarmat to Oerlinghausen | 542.13 mi (872.48 km) |
| Balassagyarmat to Oestrich-Winkel | 527.93 mi (849.61 km) |
| Balassagyarmat to Offenburg | 522.67 mi (841.15 km) |
| Balassagyarmat to Oftersheim | 495.78 mi (797.89 km) |
| Balassagyarmat to Ohrdruf | 428.55 mi (689.68 km) |
| Balassagyarmat to Ohringen | 453.50 mi (729.83 km) |
| Balassagyarmat to Olbernhau | 322.17 mi (518.49 km) |
| Balassagyarmat to Olching | 367.75 mi (591.84 km) |
| Balassagyarmat to Oldenburg | 597.68 mi (961.88 km) |
| Balassagyarmat to Oldenburg in Holstein | 562.64 mi (905.47 km) |
| Balassagyarmat to Olfen | 585.77 mi (942.70 km) |
| Balassagyarmat to Olpe | 551.70 mi (887.87 km) |
| Balassagyarmat to Olsberg | 532.57 mi (857.09 km) |
| Balassagyarmat to Oranienburg | 418.62 mi (673.70 km) |
| Balassagyarmat to Ortenberg | 487.67 mi (784.83 km) |
