| Demirozu to Oerlinghausen | 1,686.23 mi (2,713.72 km) |
| Demirozu to Oestrich-Winkel | 1,681.44 mi (2,706.01 km) |
| Demirozu to Offenburg | 1,666.31 mi (2,681.66 km) |
| Demirozu to Oftersheim | 1,647.38 mi (2,651.20 km) |
| Demirozu to Ohrdruf | 1,578.50 mi (2,540.34 km) |
| Demirozu to Ohringen | 1,604.63 mi (2,582.40 km) |
| Demirozu to Olbernhau | 1,466.88 mi (2,360.72 km) |
| Demirozu to Olching | 1,510.00 mi (2,430.12 km) |
| Demirozu to Oldenburg | 1,728.77 mi (2,782.19 km) |
| Demirozu to Oldenburg in Holstein | 1,656.04 mi (2,665.14 km) |
| Demirozu to Olfen | 1,734.40 mi (2,791.25 km) |
| Demirozu to Olpe | 1,703.85 mi (2,742.08 km) |
| Demirozu to Olsberg | 1,682.23 mi (2,707.29 km) |
| Demirozu to Oranienburg | 1,524.15 mi (2,452.88 km) |
| Demirozu to Ortenberg | 1,641.17 mi (2,641.21 km) |
