| Meram to Oerlinghausen | 1,506.50 mi (2,424.48 km) |
| Meram to Oestrich-Winkel | 1,467.57 mi (2,361.83 km) |
| Meram to Offenburg | 1,427.70 mi (2,297.67 km) |
| Meram to Oftersheim | 1,425.37 mi (2,293.90 km) |
| Meram to Ohrdruf | 1,389.49 mi (2,236.16 km) |
| Meram to Ohringen | 1,383.05 mi (2,225.81 km) |
| Meram to Olbernhau | 1,288.95 mi (2,074.37 km) |
| Meram to Olching | 1,278.26 mi (2,057.16 km) |
| Meram to Oldenburg | 1,565.62 mi (2,519.62 km) |
| Meram to Oldenburg in Holstein | 1,524.42 mi (2,453.32 km) |
| Meram to Olfen | 1,545.50 mi (2,487.24 km) |
| Meram to Olpe | 1,505.61 mi (2,423.04 km) |
| Meram to Olsberg | 1,491.87 mi (2,400.93 km) |
| Meram to Oranienburg | 1,381.74 mi (2,223.69 km) |
| Meram to Ortenberg | 1,436.98 mi (2,312.60 km) |
