| Zirndorf to Oerlinghausen | 200.52 mi (322.71 km) |
| Zirndorf to Oestrich-Winkel | 137.12 mi (220.68 km) |
| Zirndorf to Offenburg | 152.78 mi (245.87 km) |
| Zirndorf to Oftersheim | 106.47 mi (171.34 km) |
| Zirndorf to Ohrdruf | 95.70 mi (154.02 km) |
| Zirndorf to Ohringen | 67.54 mi (108.70 km) |
| Zirndorf to Olbernhau | 135.06 mi (217.35 km) |
| Zirndorf to Olching | 87.96 mi (141.56 km) |
| Zirndorf to Oldenburg | 281.22 mi (452.58 km) |
| Zirndorf to Oldenburg in Holstein | 335.11 mi (539.31 km) |
| Zirndorf to Olfen | 221.34 mi (356.21 km) |
| Zirndorf to Olpe | 175.17 mi (281.90 km) |
| Zirndorf to Olsberg | 170.38 mi (274.20 km) |
| Zirndorf to Oranienburg | 248.91 mi (400.58 km) |
| Zirndorf to Ortenberg | 105.00 mi (168.98 km) |
