| Hamidiye to Oerlinghausen | 1,175.43 mi (1,891.67 km) |
| Hamidiye to Oestrich-Winkel | 1,123.75 mi (1,808.50 km) |
| Hamidiye to Offenburg | 1,076.58 mi (1,732.58 km) |
| Hamidiye to Oftersheim | 1,079.34 mi (1,737.03 km) |
| Hamidiye to Ohrdruf | 1,056.83 mi (1,700.81 km) |
| Hamidiye to Ohringen | 1,037.77 mi (1,670.13 km) |
| Hamidiye to Olbernhau | 964.06 mi (1,551.50 km) |
| Hamidiye to Olching | 931.14 mi (1,498.52 km) |
| Hamidiye to Oldenburg | 1,240.74 mi (1,996.77 km) |
| Hamidiye to Oldenburg in Holstein | 1,216.15 mi (1,957.21 km) |
| Hamidiye to Olfen | 1,209.88 mi (1,947.11 km) |
| Hamidiye to Olpe | 1,166.96 mi (1,878.04 km) |
| Hamidiye to Olsberg | 1,156.58 mi (1,861.34 km) |
| Hamidiye to Oranienburg | 1,072.13 mi (1,725.43 km) |
| Hamidiye to Ortenberg | 1,097.18 mi (1,765.74 km) |
