| Suruc to Oerlinghausen | 1,775.92 mi (2,858.07 km) |
| Suruc to Oestrich-Winkel | 1,752.95 mi (2,821.10 km) |
| Suruc to Offenburg | 1,723.72 mi (2,774.06 km) |
| Suruc to Oftersheim | 1,714.11 mi (2,758.59 km) |
| Suruc to Ohrdruf | 1,662.46 mi (2,675.48 km) |
| Suruc to Ohringen | 1,671.27 mi (2,689.65 km) |
| Suruc to Olbernhau | 1,555.45 mi (2,503.25 km) |
| Suruc to Olching | 1,570.12 mi (2,526.86 km) |
| Suruc to Oldenburg | 1,827.19 mi (2,940.57 km) |
| Suruc to Oldenburg in Holstein | 1,769.08 mi (2,847.06 km) |
| Suruc to Olfen | 1,819.71 mi (2,928.54 km) |
| Suruc to Olpe | 1,783.99 mi (2,871.05 km) |
| Suruc to Olsberg | 1,766.37 mi (2,842.70 km) |
| Suruc to Oranienburg | 1,630.81 mi (2,624.54 km) |
| Suruc to Ortenberg | 1,717.63 mi (2,764.26 km) |
